Dr. Sarah Chen
Dermatology Research Lead
Clinical research background in dermatology with a focus on ingredient efficacy and skin barrier function. Translates peer-reviewed studies into actionable skincare advice. Believes in evidence over trends.
Areas of expertise
Articles by Dr. Sarah Chen (6)
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Bakuchiol vs Retinol: Is the Natural Alternative as Effective?
Bakuchiol vs retinol, compared on real evidence. Efficacy, side effects, sun sensitivity, pregnancy and which one fits your skin, with peer-reviewed sources.
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Rosacea skincare routine: what to use and what to avoid
A dermato-cosmetic guide to building a rosacea skincare routine. The ingredients to avoid, the actives that actually calm flushing, and how to layer them.
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Slugging with Vaseline: what dermatologists actually think
A dermato-cosmetic review of slugging with petroleum jelly. What occlusion does to your barrier, who should try it, and how to do it without breakouts.
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Niacinamide and vitamin C together: the myth is debunked
Can you mix niacinamide and vitamin C? Modern dermatology says yes. The 1960s lab study behind the myth, peer-reviewed evidence, and how to layer both.
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Pregnancy-Safe Skincare: The Complete 2026 Ingredient Guide
Which skincare ingredients to avoid during pregnancy, which are safe to keep, and the evidence from ACOG, NHS, and SCCS behind each decision.
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Best Moisturizers for Dry Skin: Dermatologist Picks Ranked
Dermatologist-ranked best moisturizers for dry skin, scored by formulation. Ceramide creams, drugstore vs luxury picks, and what ingredients actually work.
Dr. Sarah Chen is part of the SkinScore editorial team. All scores and analyses are reviewed by at least two team members before publication. Our methodology is fully transparent and based on EU CosIng data, SCCS opinions, and peer-reviewed dermatological research.
See our methodology →