Formulated by a Scientist. Perfection for the Sensitive. Now 30% Off Your First Order.

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Hand-Selected Actives. Scientist-Approved Standards.
Allergy Tested
Dermatologist Tested
Safe for Sensitive Skin
Cruelty Free
Hypoallergenic
Science Led

A Letter from our Founder & Lead Scientist

Serrina, Founder & Lead Formulation Scientist

To those with skin that feels everything: I hear you.

After 15 years developing skincare for global brands, one truth became clear: for sensitive skin, more is rarely better. Too often, formulas overload the skin barrier instead of supporting it.

I founded Lerinn to bring precision back to formulation. Every product is developed through my personal process—where ingredients are carefully selected not only for purity, but for their molecular compatibility with reactive skin. We don’t just create skincare; we engineer calm, confidence, and lasting barrier comfort.

You deserve the best.

Simplify your skincare routine with clean Lerinn effects. We use safe and high performance ingredients to create innovative formulations. Your skin deserves the best, and you deserve a beautiful smile.
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Unveiling the Secrets to Skincare

Discover the science behind Lerinn formulas and effective tips for healthy skin.

The Key to Hydrated and Healthy Skin

The Key to Hydrated and Healthy Skin

Moisturizing is essential for maintaining a healthy and resilient skin barrier. The skin naturally hydrates itself through three key mechanisms: Natural Moisturizing Factors (NMF) that attract water, a lipid bilayer...

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