Lab Notes
The evidence on what's on every label, not just ours: who an ingredient suits, who should skip it, and what to do if your skin reacts.
Lab Notes
Retinoid dermatitis: how to calm it, and how to tell it from purging or an allergy
Red, tight and stinging a few weeks into a retinoid? How to tell irritation from purging or an allergy, and what helps.
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Lab Notes
Are Peptides Safe During Pregnancy?
Yes, topical peptides are widely considered low-risk in pregnancy. Here's why, how they differ from retinol, and what to still check with your provider.
Lab Notes
Is Retinol Good for Menopausal Skin? What to Use Instead
Retinol is the default answer for aging skin but menopausal skin is a different question. Why it often backfires, and the gentler routine that fits skin in hormonal...
Lab Notes
How to Tell If Skincare Is Actually Pregnancy-Safe
"Pregnancy-safe" isn't a regulated term. Here's how to evaluate skincare yourself, the ingredients doctors flag, how to read an ingredient list, and when to ask your OB.
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