The Lab
No BS skincare science
Adult acne routine 2026: evidence-based step-by-step plan
Adult acne routine for 2026: a dermatology-backed AM and PM plan for hormonal breakouts, with actives by skin type, evidence and product picks.
July 23, 2026
Sunday Riley Good Genes dupes: 6 budget alternatives
Sunday Riley Good Genes dupes compared: 6 budget lactic acid serums that match the results, with prices, concentrations and peer-reviewed evidence.
July 22, 2026
Drunk Elephant vs Dr. Dennis Gross: which is worth it
Drunk Elephant vs Dr. Dennis Gross compared by formula, price and results: vitamin C, peptides, glycolic peel pads and honest buying picks.
July 17, 2026
COSRX vs Beauty of Joseon: which K-beauty brand fits your routine in 2026
COSRX vs Beauty of Joseon compared by formula, price and skin fit: snail mucin vs rice and ginseng, gentle actives and honest buying picks.
July 16, 2026
Melasma skincare: evidence-based actives that fade pigment
A dermatology researcher explains which melasma actives work, from tranexamic acid and azelaic acid to sunscreen, with the clinical evidence behind each.
July 15, 2026
The Ordinary vs The Inkey List: which dupe brand wins 2026
Independent The Ordinary vs The Inkey List comparison: pricing, INCI transparency, actives lineup and beginner fit, with peer-reviewed sources and clear picks.
July 10, 2026
Cetaphil vs Avene: which sensitive skin classic actually wins in 2026
Independent Cetaphil vs Avene comparison for sensitive skin: cleansers, moisturizers, thermal spring water, price and evidence, with clear picks by concern.
July 10, 2026
Tatcha vs SK-II: Is Luxury J-Beauty Worth $200 in 2026
Tatcha vs SK-II compared by formulation: galactomyces vs Pitera, per-ml cost, the real science on fermented ferment filtrate, and who should splurge in 2026.
July 9, 2026
CeraVe vs La Roche-Posay: barrier brands head to head
Independent CeraVe vs La Roche-Posay comparison: ceramides, niacinamide, thermal water and prebiotics, with peer-reviewed evidence and skin-type fit.
July 3, 2026
Azelaic acid 10% vs 20%: which one do you need
Azelaic acid 10% vs 20%: which strength suits acne, rosacea and dark spots, how the OTC and prescription tiers differ, and how to use each safely.
July 2, 2026
Salicylic acid vs glycolic acid: BHA or AHA in 2026
Salicylic acid (BHA) or glycolic acid (AHA)? A dermato-cosmetic breakdown of how each exfoliant works, which skin type it suits, and how to use them safely.
June 30, 2026
Ceramides 1, 2 and 3: which ratio repairs your barrier
Ceramides 1, 2 and 3 do different jobs in your skin barrier, and the 3:1:1 ratio with cholesterol and fatty acids is the one with real evidence. Honest guide.
June 30, 2026
Peptide categories: signal, carrier, enzyme, neuro
The four peptide families in skincare decoded: signal, carrier, neurotransmitter and enzyme-inhibiting, with the evidence behind Matrixyl and copper peptides.
June 29, 2026
Hyaluronic acid molecular weight: HMW vs LMW vs oligo
HMW vs LMW vs oligo hyaluronic acid: HMW sits on top to hold water, LMW slips deeper to plump, oligo stays near the surface. Evidence based guide.
June 29, 2026
Vitamin C: L-ascorbic acid vs derivatives, which actually works in 2026
L-ascorbic acid is the gold standard, but SAP, MAP, THD ascorbate and ethyl ascorbic acid all have their place. Evidence-based vitamin C comparison.
June 27, 2026
Niacinamide overhyped? The truth dermatologists rarely tell you
Niacinamide is everywhere, but is it as life changing as the marketing says? Evidence-based review of what it does, at what dose, and when it disappoints.
June 26, 2026
Retinol vs retinal: which one works better in 2026
Retinol vs retinal explained: retinal is one step closer to retinoic acid and works faster, while retinol is gentler and cheaper. Evidence-based comparison.
June 25, 2026
How to Read an INCI List: Decode Skincare in 5 Minutes
Learn how to read an INCI list fast: the descending-order rule, the 1% line, hero actives and the marketing tricks the ingredient list quietly hides.
June 23, 2026
Cicatrices d'acné : estompez les taches post-inflammatoires
The best products for acne scars and post-inflammatory marks: which actives fade them, what only a dermatologist can fix, and how long it really takes.
June 23, 2026
Peptides in skincare: are they worth the hype?
What peptides actually do in skincare, the evidence behind Matrixyl and copper peptides, why most serums underdose them, and how to spot one worth buying.
June 18, 2026
Best Eye Creams: Do You Even Need One? What Dermatologists Say
A dermatology-graded guide to eye creams: whether you need one, which ingredients actually work for dark circles, puffiness and fine lines, and the best picks.
June 17, 2026
Is Drunk Elephant Worth the Price? An Honest Ingredient Review
An evidence-first Drunk Elephant review: the Suspicious 6 marketing, hero products that earn their price, the overpriced skips, and who should actually buy.
June 16, 2026
Mineral oil in skincare: the truth behind Nivea's favourite ingredient
What mineral oil and petrolatum do in skincare, whether they are safe, the cancer and pore-clogging myths, and the cosmetic vs industrial grade split.
June 13, 2026
Are parabens safe? What the science actually says
Parabens, preservatives, endocrine disruptors, the 2004 Darbre study, FDA and EU rulings, the short chain vs long chain split, and what to use instead.
June 12, 2026
Silicones in skincare: are they safe? The dimethicone debate
What silicones actually do in skincare, whether dimethicone is safe, the pore-clogging myth, the D4/D5 environmental rules, and how to read a label.
June 11, 2026
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.
June 8, 2026
COSRX : Top produits K-beauty classés par efficacité
COSRX guide ranking the brand's best K-beauty products by formulation, from Snail 96 Mucin to the BHA liquid, plus dupes, routine stacks and honest skips.
June 6, 2026
Hada Labo Complete Guide: Japan's Best-Selling Skincare Ranked
Hada Labo guide ranking Japan's best-selling lines by formulation: Gokujyun, Shirojyun, Premium and more, plus how to layer them properly.
June 4, 2026
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.
June 3, 2026
Azelaic Acid: The Most Underrated Ingredient for Acne and Rosacea
Azelaic acid quietly outperforms most actives for acne, rosacea and dark spots. A guide to concentrations, products and what the evidence really shows.
June 3, 2026
Ceramides explained: why your skin barrier needs them
What ceramides actually do, the nine types in skincare, why the 3:1:1 ratio matters, and how to choose a barrier cream that works, with evidence.
June 1, 2026
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.
June 1, 2026
Sérums hyperpigmentation : meilleurs anti-taches 2026
A dermato-cosmetic guide to the best serums for hyperpigmentation and dark spots. Which actives fade pigment, how to layer them, and what the evidence says.
May 29, 2026
SPF : 10 erreurs que vous faites avec la crème solaire
A dermatologist breaks down 10 stubborn SPF myths, from base tans and SPF 100 to indoor exposure and chemical filters, with the actual evidence behind each.
May 29, 2026
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.
May 29, 2026
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.
May 28, 2026
Best anti-aging ingredients ranked by clinical evidence
An evidence-graded ranking of the best anti-aging ingredients in skincare, from tretinoin and SPF to peptides, bakuchiol and overhyped extracts.
May 27, 2026
Double cleansing: is it worth it? What the science says
Is double cleansing actually backed by science? A formulation-led guide to oil and water cleansers, who benefits, common mistakes, and what evidence shows.
May 27, 2026
Sérum Vitamine C : Formes, concentrations et efficacité
A dermato-cosmetic guide to vitamin C serums: which form to choose (L-ascorbic acid vs derivatives), ideal concentration, pH, and how to layer in your routine.
May 25, 2026
Salicylic acid vs benzoyl peroxide: which is better for acne?
Salicylic acid or benzoyl peroxide? A dermato-cosmetic breakdown of how each ingredient works, which acne type it suits, and how to combine them safely.
May 24, 2026
Acne Skincare Routine: Dermatologist-Approved Products Ranked
A complete acne skincare routine that works. Dermatologist-approved AM and PM steps, ingredient picks by acne type, and the products ranked A by SkinScore.
May 22, 2026
K-beauty Routine Explained: What Science Actually Supports
Dermato-cosmetic deep dive into the K-beauty routine: 4 essential steps backed by science, 6 optional layers, and how to build your own.
May 21, 2026
The Ordinary Complete Guide: Every Product Ranked and Reviewed
The Ordinary guide ranking every major product by formulation, evidence and skin-type fit. Best buys, biggest skips, conflicts to avoid and a routine builder.
May 18, 2026
Acide hyaluronique : 5 erreurs qui assèchent votre peau
Hyaluronic acid mistakes can dry out your skin instead of hydrating it. Learn the 5 most common errors, the science behind them, and how to fix your HA routine.
May 16, 2026
Best Sunscreen for Oily Skin: No White Cast, No Grease
The best sunscreen for oily skin combines SPF 30 to 50, fluid texture, non-comedogenic filters and sebum control. Ingredient breakdown and application tips.
May 11, 2026
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.
May 10, 2026
Fragrance in Skincare: The Hidden Allergen in 60% of Products
Fragrance is the most common allergen in skincare. Which ingredients to avoid, how EU and US rules differ, and the best fragrance-free picks by category.
May 6, 2026
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.
May 3, 2026
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.
April 24, 2026
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.
April 22, 2026
Comedogenic Ingredients: The Complete 2026 List With Ratings
Top 25 comedogenic ingredients ranked on the Fulton scale, plus the ingredients wrongly feared (mineral oil, dimethicone) and the INCI position rule.
April 22, 2026
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.
April 21, 2026
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.
April 16, 2026
Retinol for beginners: how to start without wrecking your skin
A science-backed guide to retinol. Which strength to pick, how to apply it, what to avoid, and why most people fail in the first month.
April 14, 2026
Is niacinamide safe? What dermatology research actually says
Clinical evidence on niacinamide safety: 18 RCTs reviewed, adverse event rates, contraindications, pregnancy data, and concentration response curves.
April 12, 2026