Marc Severin
Formulation Analyst
Former cosmetics formulator turned independent analyst. 8 years in the beauty industry taught him one thing: most products are 90% marketing and 10% formula. Now he reads INCI lists so you don't have to.
Areas of expertise
Articles by Marc Severin (5)
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Best Cleansers for Sensitive Skin: Gentle Formulas Ranked
A formulation analyst ranks the best cleansers for sensitive skin by surfactant type, pH and soothing actives, with picks for rosacea and eczema.
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Skin cycling: does this TikTok trend actually work?
A dermatology-graded review of skin cycling. What the 4-night protocol does for your barrier, what the evidence says, and how to build a smarter version.
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La Mer vs CeraVe: the 350 EUR Question Answered by Science
La Mer vs CeraVe: formulation, ceramides vs Miracle Broth, per-gram cost, derm consensus, and the verdict on whether the 350 EUR is worth it.
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Skincare Routine Order: Morning & Night Sequence That Works
The correct skincare routine order, AM and PM. Layering science, active ingredient conflicts, and a step-by-step sequence dermatologists actually recommend.
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CeraVe vs Cetaphil: which moisturizer is actually better?
Independent CeraVe vs Cetaphil comparison. Ceramides, niacinamide, INCI lists, clinical evidence and skin-type fit, with AAD and peer-reviewed sources.
Marc Severin 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 →