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Published: July 26, 2026Updated: July 26, 2026

Lac-Hydrin is a topical brand-name medication containing lactic acid, an alpha hydroxy acid that acts as a moisturizer and keratolytic agent. It is primarily used to treat dry, rough, and scaly skin conditions by helping to hydrate the skin and gently exfoliate dead skin cells. This medication is available by prescription and is applied directly to the affected areas of the skin.

Quick summary

Lac-Hydrin is a topical prescription moisturizer containing lactic acid used to treat dry, rough, and scaly skin conditions.

Medically reviewed by WellAlly Editorial TeamLast reviewed July 26, 2026Editorial policy

Key facts at a glance

RxNorm
217944
Generic
Lac-Hydrin
Class
brand-name
Brands
—
Availability
rx
Lactation
unknown
Routes
—
Forms
—
Regions
US, EU, CN, JP
Monitoring
—

This page is for informational purposes only.

Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.

Lac-Hydrin is used to treat xerosis (dry skin), ichthyosis (scaly skin), keratosis pilaris, and other conditions causing rough, dry, or flaky skin. It may also be used for calluses and to improve overall skin texture.

Lac-Hydrin contains lactic acid, an alpha hydroxy acid that works by hydrating the skin and promoting gentle exfoliation of dead skin cells. It helps restore moisture to the skin and improves skin softness and texture over time.

Lac-Hydrin is for external use only and should be applied to intact, non-irritated skin. Avoid contact with eyes, mouth, and other mucous membranes. Common side effects may include mild stinging, irritation, or redness at the application site. Patients with sensitive skin or certain skin conditions should consult their healthcare provider before use.

Official drug label

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy