BIOSAR Journal
Skin and hair science, in long form.
Long-form articles from the BIOSAR scientific team — ingredient deep-dives, routine guides, and concern protocols. Every claim is cited; every recommendation maps to a BIOSAR product you can ask your pharmacist for.
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Long-form science, in your inbox.
Long-form articles from the BIOSAR scientific team — ingredient deep-dives, routine guides, and concern protocols. One email a month, no marketing.
Routine guides
- PREGNANCY GUIDE
Pregnancy-safe skincare — what to keep, what to swap
Some popular actives have safety concerns during pregnancy; others are explicitly recommended. This guide separates the two using ACOG, Mother to Baby, and…
8 min readRead article → - ROUTINE GUIDE
Retinol for beginners — how to start without irritation
Retinol is the most-studied anti-aging molecule in skincare, but irritation makes most beginners abandon it within weeks. The introduction protocol is what…
7 min readRead article → - ROUTINE GUIDE
Building a routine for sensitive skin in MENA climate
Standard sensitive-skin routines authored for European climates underprovision SPF and overprovision exfoliation. Here is the MENA-adapted protocol.
8 min readRead article →
Science
- CONCERN GUIDE
Adult acne — why it persists and how to treat it
Adult acne affects up to 25% of women and 12% of men past their teenage years, a prevalence far higher than the teenage problem narrative suggests.
7 min readRead article → - HAIR LOSS
Hair loss in women — causes, evidence, and topical actives
Up to 40% of women experience hair loss across their lifetime, a far higher rate than the popular narrative suggests. The patterns differ from male…
8 min readRead article → - CONCERN GUIDE
Hyperpigmentation in MENA skin — a complete guide
Hyperpigmentation is the most common consultation complaint among Fitzpatrick III-V skin tones. Effective treatment combines tyrosinase inhibitors, gentle…
8 min readRead article → - SKIN SCIENCE
Skin barrier 101 — what it is and how to protect it
The skin barrier is the brick-and-mortar architecture that keeps water in and irritants out. When it breaks, every other skin problem worsens.
7 min readRead article → - FORMULATION SCIENCE
The truth about "natural" skincare — what works and what doesn't
The chemistry of effective skincare combines plant-derived ingredients, lab-synthesised actives, and preservatives. Origin alone is not a quality signal.
8 min readRead article → - SUN PROTECTION
Why SPF is the most important step in any skincare routine
Daily SPF50+ is the single highest-leverage anti-aging step in any routine, outperforming retinol, vitamin C, and peptides combined when measured over decades.
7 min readRead article →