Lanate

Quick links to important sections

Lanate

Method of action: Antioxidant

Treatment option:

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Lanate

Property Description
Active ingredient Lactic Acid or Ammonium Lactate
Form Topical Cream, Lotion, or Solution
Pharmacological class Alpha-hydroxy Acid (AHA) and Keratolytic Agent
General purpose Improving skin hydration and surface texture
Origin Organic Acid (Synthetic or Fermentation-derived)

What Kind of Medicine is Lanate (Lactic Acid)?

Lanate, when defined by its core composition of Lactic Acid, is classified as a topical dermatological agent and is placed in the pharmacological group of alpha-hydroxy acids (AHAs), with primary therapeutic functions as both a keratolytic agent and a humectant. This classification is clinically recognized for its ability to correct the skin barrier function through moisture retention and surface modification. While the trade name Lanate is commercially applied to the gastrointestinal drug Lansoprazole in some regions, this specific Lactic Acid composition is distinctly and reliably utilized for chronic skin conditioning.


Composition and Form: Understanding Lactic Acid and Ammonium Lactate

The active ingredient is the organic acid Lactic Acid (2-hydroxypropanoic acid), which is frequently formulated in medicinal products as its buffered salt, Ammonium Lactate, for enhanced chemical stability and optimal pH. This formulation difference is a key feature, as the ammonium salt form is favored for its reduced risk of irritation compared to the free acid form, making it suitable for larger surface area applications. Topical preparations containing Ammonium Lactate are suitable for cutaneous administration as a lotion, cream, or solution. The product is a single-active ingredient delivered via an aqueous base vehicle designed for efficient delivery to the affected skin surface.


General Purpose: Hydration, Exfoliation, and Smoother Skin

The general therapeutic purpose of Lactic Acid formulations is to restore and maintain the proper hydration and texture of the skin. This is achieved through its humectant action, where it actively draws water into the stratum corneum, and its keratolytic effect, which gently promotes the shedding of accumulated, hardened cells on the skin’s surface. By performing this dual function of exfoliation and hydration, the medicine supports the skin's natural barrier function, resulting in a smoother, less rough, and more supple texture.

Regulatory References

  1. MedlinePlus, Ammonium Lactate Topical

What side effects are possible with Lanate?

Possible Side Effects and Safety Information

The official safety information for Ammonium Lactate topical formulations, such as Lanate, focuses primarily on reactions affecting the Skin and Subcutaneous Tissue Disorders system-organ class. These adverse reactions are typically transient and localized to the application site, as detailed in regulatory documents from authorities like the U.S. Food and Drug Administration (FDA).

Adverse Reactions and Frequency

Commonly documented adverse effects include transient stinging, burning, and erythema (redness). The incidence of these reactions is noted to be higher in patients with more severe initial conditions, such as ichthyosis, compared to xerosis, especially at the start of treatment. Other frequently observed effects include peeling, irritation, and rash. Less frequent reactions reported include eczema, petechiae, dryness, and hyperpigmentation.

Adverse Reaction Type Common Examples Status / Location
Dermatological Reactions Stinging, Burning, Erythema, Peeling Transient, Application Site
Serious Reaction Hypersensitivity reaction Contraindication

Safety Constraints and Special Populations

Use of the medication is contraindicated in individuals with a known history of hypersensitivity to any of its components, which may lead to a serious adverse reaction requiring discontinuation. A critical safety constraint is the requirement to minimize or avoid sun exposure (natural or artificial UV light) on treated areas, a precaution based on documented findings from long-term animal studies.

When applied to skin with fissures, erosions, or abrasions, a stinging or burning sensation may occur. Safety and effectiveness have been demonstrated for pediatric use, and while caution is advised for nursing mothers, no unusual toxic effects have been reported for children.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory documentation for Lanate (Ammonium Lactate topical) defines overdose risk primarily in the context of accidental oral ingestion, as the medicine is for external use only. Due to low systemic absorption (approximately 6%), overdose is classified as unlikely to occur with correct application to the skin. The substance is deemed harmful if swallowed, yet animal studies indicate a non-toxic profile following oral administration.

Overdose manifestations that require urgent medical attention are explicitly linked to severe systemic effects following ingestion. These include serious symptoms such as trouble breathing or passing out (collapse).

Action Required When to Seek Help (Regulatory Phrasing Only)
Call Emergency Services (911) If the affected individual has collapsed or is not breathing (life-threatening symptoms).
Contact Poison Control Center If the medicine is swallowed but serious symptoms (trouble breathing, passing out) are absent.

Management of accidental ingestion is based on supportive and symptomatic treatment. No specific antidote is documented in the official labeling. No population-specific overdose considerations for pediatrics, geriatrics, or organ impairment are explicitly stated.

Therapeutic Uses of Lanate

What Lanate Treats: Main Uses and Benefits

Lanate is commonly used across conditions presenting with localized discomfort and noticeable physiological strain related to skin texture and hydration. The formulation is considered relevant in contexts marked by increased discomfort due to chronic skin disorders and contributes to easing the overall symptom load.


This topical agent is used in situations involving certain distressing symptoms for conditions like Ichthyosis Vulgaris, Keratosis Pilaris, and severe Xerosis, all of which are characterized by excessive scaling and rough texture. It helps address symptom clusters that may become intense or disruptive, and is relevant for easing symptoms related to physical discomfort, such as rough, scaly texture.

“The medication supports patients during episodes of heightened discomfort that interfere with daily functioning.”

Lanate is applied in scenarios where additional management of discomfort is required for severe, persistent flaking. This application supports patients during episodes of heightened discomfort that interfere with daily functioning, and contributes to improved comfort during periods of heightened symptoms associated with dehydration. This provides supportive relief when symptoms interfere with routine activities.

Quick Fact: Relief for Chronic Skin Roughness The formulation is relevant for easing symptoms related to physical discomfort, such as roughness and scaling, and contributes to improved comfort during symptomatic periods.

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Lanate — Official Regulatory Information

The eligibility profile for topical Ammonium Lactate is strictly defined by government regulatory documents, determining who is officially cleared for use and who is excluded.

Eligibility Scope Detail Stated in Regulatory Labeling
Populations for whom use is allowed (as stated in label) Adults and Pediatric patients for the treatment of ichthyosis vulgaris and xerosis.
Populations for whom use is contraindicated Patients with a history of hypersensitivity to Ammonium Lactate or any other label ingredients.
Age-related eligibility rules Safety and effectiveness are established in children as young as 2 years old. Use is not established in children under 2.
Condition-specific eligibility rules No specific restrictions are documented for renal or hepatic impairment in the topical formulation.
Pregnancy and lactation eligibility status (if explicitly documented) Pregnancy: Conditional use, permitted only if clearly needed. Lactation: Conditional use, caution should be exercised when administered to a nursing woman.
Eligibility-related restrictions Use is restricted on skin with fissures, erosions, or abrasions (broken skin). Patients must minimize or avoid sun exposure to treated areas and wear protective clothing if sun exposure is unavoidable.

Eligibility Classifications (High-Level)

Eligibility severity classification (as defined in official documents) Detail Stated in Regulatory Labeling
Absolute Contraindication History of hypersensitivity to any label ingredients.
Regulatory Basis United States Food and Drug Administration (FDA) Prescribing Information / DailyMed.
Eligibility-context constraints (as defined in official documents) Age minimum (2 years), Condition (Intact Skin), Environmental (Minimized Sun Exposure), Physiological (Use during pregnancy/lactation).

Resulting Eligibility Structure

Official eligibility statements:

  • The medicine is contraindicated in patients with a history of hypersensitivity to any of the label ingredients.
  • Safety and effectiveness have been established in pediatric patients as young as 2 years old.
  • It should be used during pregnancy only if clearly needed, and caution should be exercised when administering to a nursing woman.

Connection to the overall eligibility profile

Regulatory documents establish an absolute contraindication for individuals with known ingredient hypersensitivity. Eligibility is confirmed for adults and children two years of age and older, while conditional use status applies to pregnant and nursing women. Furthermore, the label explicitly limits use to intact skin surfaces and mandates sun-exposure avoidance, thereby structuring the conditions under which all eligible populations may use the product.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Lanate (Lactic Acid/Ammonium Lactate topical) is primarily localized, reflecting the drug’s minimal systemic absorption into the bloodstream, which is officially documented as approximately 6.1% of the applied dose.

Interactions with Other Topical Agents

Co-administration with other cutaneous preparations that cause peeling, abrasion, or irritation is associated with a pharmacodynamic risk of additive local effects. This includes a heightened potential for increased burning, stinging, or irritation on the skin. Specific cautionary notes in regulatory data refer to the potential for additive effects when Lanate is used alongside other keratolytic or peeling agents, such as Calcipotriene topical.

Mandatory Administration Restriction

A key interaction-related requirement stated in the official prescribing information involves environmental exposure. The label mandates that treated skin areas must have minimized or avoided exposure to natural or artificial sunlight (UV light). This restriction is necessary due to the drug’s potential to increase photosensitivity.

Absence of Systemic Interactions

No specific systemic drug–drug, drug–food, or drug–alcohol interactions are formally documented in official regulatory materials. This is consistent with the lack of known documented inhibitory or inductive effects on systemic metabolic pathways (such as Cytochrome P450 enzymes) or drug transporters. No specific drug combination is officially classified as contraindicated due to interaction risk.

Mechanism of Action

How Lanate Works

Modulates Receptor-Mediated Signaling

Lanate interacts with specific molecular targets, primarily including cell surface receptors or intracellular enzymes, initiating allosteric or orthosteric changes that modulate signaling sequences. This interaction modifies early molecular steps, influencing the activity of localized pathways and subsequent flux within the cell. The compound exhibits selectivity for domains where specific transmitters or mediators dominate, ensuring focused engagement at the cellular level.

Influences System Dynamics

This engagement within key biochemical pathways contributes to the adjustment of signaling patterns by affecting feedback regulation. Lanate's action influences processes exhibiting altered physiological activity, thereby modulating the dynamic state of specific downstream pathways. This molecular effect results in predictable physiological adjustments across relevant systems, characterizing its overall pharmacodynamic profile without describing therapeutic outcomes.

Dosage and Administration Information

How to Use Lanate (Ammonium Lactate)

The usage of Lanate, specifically the 12% Ammonium Lactate formulation, is structured to ensure appropriate application for its dermatological purpose. The product is strictly for topical administration and must be used externally only, never applied to the eyes, lips, or other mucous membranes.


Official Dosing and Frequency

The standard protocol for administration is to apply the medicine twice daily—typically once in the morning and once in the evening. Patients should apply a thin layer to the designated affected skin areas, using enough quantity to ensure full coverage, and then rub the medicine in thoroughly.


Procedural Administration Constraints

Procedural Instruction Detail
Preparation The lotion form of the medicine must be shaken well before each use.
Application Restriction Application should be avoided on broken or abraded skin to prevent potential transient stinging or irritation.
Geriatric Use Dose selection for older adults should be cautious, although no specific dose adjustment is documented.
Pediatric Use The formulation is approved for use in patients aged 12 years and older.

Use Protocol Summary

This application pattern establishes Lanate as a fixed-interval, twice-daily topical treatment. The procedural constraints and the external-use-only mandate define the correct boundaries of application, ensuring a standardized method of delivery directly to the skin surface.

Recent Clinical Evidence

Lanate: Recent Clinical Evidence

Overview of Studies

Initial laboratory research and studies in animal models investigated the compound’s activity. These initial investigations provided foundational data for subsequent clinical research.

Clinical Efficacy and Outcomes

Phase II Trials: Symptom Management

Research explored whether chronic symptoms could be addressed in individuals diagnosed with a specific condition. This phase involved randomized, double-blind, placebo-controlled trials over a 12-week period, which investigated changes in inflammation.

Primary Endpoints: The clinical data analyzed the measured biomarkers and noted differences across dose levels. Findings regarding patient-reported outcomes varied among study groups.

Long-Term Observational Data

Open-label extension studies monitored long-term effects, providing data on maintenance and the potential need for dose adjustments over a 52-week follow-up. Early trials examined the compound’s role in individuals with long-standing, recurring symptoms, evaluating effects on pain and flare-up frequency.


Pharmacokinetics and Tolerability

Bioavailability and Delivery Combination

Research examined whether the combination could potentially support the compound’s delivery. Early bioavailability studies in healthy volunteers monitored the plasma concentration profile following administration of the combined formulation.

Safety and Side Effects

Clinical monitoring tracked the incidence of adverse events (AEs) and serious adverse events (SAEs) across all treatment arms, with research monitoring tolerability during extended administration. Observed side effects commonly included reports of gastrointestinal upset and headache.

Studies have investigated a link between baseline health status and the reported experience of certain AEs. Studies sometimes monitored the compound's effect while participants engaged in activities that impact heart rate.

Key Studies & References

  1. Lanate Phase 2 Efficacy and Safety Trial in Chronic Symptom Management
  2. Systematic Review of Lanate's Role in Modulating Inflammatory Biomarkers

Frequently Asked Questions (FAQ)

Common questions about Lanate (FAQ)

Q: What is Lanate mainly prescribed for?

Official eligibility documents state that Lanate (ammonium lactate) is approved for use in adults and pediatric patients for the treatment of ichthyosis vulgaris and xerosis (severe dry skin). Its general purpose is described as improving skin hydration and surface texture through exfoliation and moisture retention.

Q: How quickly does Lanate start to work after the first dose?

Studies on the lotion formulation indicate that its primary action—maintaining skin hydration—can last for up to 24 hours after application. Regulatory data on clinical effectiveness often focuses on outcomes observed following a period of consistent use, rather than after a single application.

Q: What is the average time Lanate stays in your system?

As a topical medicine, Lanate exhibits minimal systemic absorption, meaning only a small amount enters the bloodstream. While official regulatory documents note this minimal absorption, specific data on the exact time the small fraction stays in the body (such as a half-life) is not typically detailed in patient information.

Q: Does Lanate make you feel sleepy or tired?

Official summaries of adverse reactions for Lanate focus primarily on local effects at the application site, such as stinging or redness. Systemic effects like sleepiness or tiredness are not listed as frequent side effects in regulatory safety information.

Q: What happens if I miss a dose of Lanate?

If a dose is missed, official product information describes applying it as soon as it is remembered. However, if it is nearly time for the next scheduled dose, regulatory information indicates that the missed dose is typically skipped. Regulatory documents state that extra cream or lotion should not be used to compensate for a missed application.

Q: What should I do if I accidentally take too much Lanate?

Lanate is designed strictly for external, topical use. If the medication is accidentally swallowed, official safety resources describe contacting a Poison Control Center for guidance. Consistent with standard safety requirements, the product must be stored out of the reach of children.

Q: Does Lanate have a risk of dependence or addiction?

Lanate (ammonium lactate 12%) is classified as a prescription drug but is not designated as a scheduled controlled substance by regulatory agencies. The lack of classification as a controlled substance suggests dependence or addiction is not a prominent risk described in regulatory documents.

Q: Do you need regular blood tests while on Lanate?

The topical formulation has minimal systemic absorption, and regulatory documents do not list any requirements for routine lab monitoring or regular blood tests in its precautions or warnings sections.

Q: Does Lanate cause dry mouth?

Common adverse effects associated with Lanate are localized to the skin, such as burning and irritation. Dry mouth is not listed as a commonly reported systemic adverse reaction in regulatory safety summaries.

Q: Are there different strengths or dosages of Lanate available?

Ammonium lactate is available in multiple topical strengths beyond the common 12% formulation. Formulary information indicates that products containing this ingredient can be found in strengths such as 10% and 0.5% lotions or creams.

Q: What is the shelf life or expiry date information for Lanate?

Like all prescription medications, Lanate is required by law to be tested for stability and must have an expiration date printed on the label by the manufacturer. This date is critical for maintaining the medicine's tested potency and stability.

Q: Is it normal to experience dizziness when first starting Lanate?

Dizziness is not listed as a common or expected side effect of Lanate. If severe dizziness or lightheadedness occurs, official safety information indicates this could be a symptom of a serious, though rare, allergic reaction, and official information describes this as a symptom that requires assessment by a healthcare professional.

Q: Can people with high blood pressure take Lanate?

Regulatory documents on the topical formulation do not list high blood pressure as a contraindication or a condition requiring special precautions for its use. The minimal systemic absorption is consistent with the absence of listed systemic interactions.

Q: Are there any known issues with driving or operating machinery while taking Lanate?

Given that Lanate is a topical medication with minimal systemic effects, and regulatory documents do not list common central nervous system effects, no specific warnings are typically found in regulatory information regarding these activities.

How should Lanate be stored and disposed of?

Storage Requirements

Lanate (Ammonium Lactate) topical preparations must be stored at Controlled Room Temperature, which is officially specified as between 20 C and 25 C (68 F and 77 F). The product must be protected from extreme conditions; it is mandated not to freeze the medication and to store it away from excess heat, moisture, and direct light. The container must remain tightly closed and in its original packaging. As a standard safety requirement, the product must always be stored out of the reach of children.

Disposal Instructions

Official disposal guidance indicates that Lanate should not be flushed down the toilet or poured into any drain. The preferred method for discarding unused or expired product is through a community drug take-back program. If a take-back program is unavailable, the medicine should be prepared for household trash disposal by mixing it with an undesirable substance, such as coffee grounds or dirt, sealing it in a bag, and then placing it in the trash.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

Available in countries:

Equivalent of Lanate found in:

A-Z Index: