Skin Journal

Polynucleotides vs PRP: Which Skin Treatment Suits You?

Polynucleotides and PRP both aim to rejuvenate skin from within. Compare how they work, the evidence, recovery, US rules and which one suits your skin.

Can Vitamin C Irritate Skin? Causes and Care

Can vitamin c irritate skin? Discover why serums sting, who should be cautious and how to choose a clinically considered formula for lasting radiance.

Profhilo vs Filler: How They Differ and Which You Need

Profhilo vs filler explained: how each works, what each treats, sessions, recovery, risks and US availability, so you can choose the right treatment.

Skincare for Frequent Flyers: A Practical Long-Haul Routine

A dermatologist-informed skincare routine for frequent flyers: what to do before boarding, in the air and after landing to keep skin hydrated and calm.

5 Best Antioxidant Serums for Sensitive Skin

Find the best antioxidant serums for sensitive skin, with expert guidance on vitamin C, redness, barrier support and how to introduce actives safely daily.

Barrier Repair Routine: A Simple AM and PM Plan

A step-by-step barrier repair routine for damaged, stinging or over-exfoliated skin: what to use morning and night, what to pause, and how long recovery takes.

Microdosing Retinoids: How to Ease Into Tretinoin

Microdosing retinoids means starting low and building up. See how to introduce tretinoin gradually, what the evidence says, and when to involve a clinician.

Does Skincare Expire After Opening? What to Know

Does skincare expire after opening? Learn how PAO symbols, storage and formula changes affect safety, stability and visible results from your routine.

Melasma Maintenance: How to Keep Pigmentation From Returning

A practical melasma maintenance plan: daily tinted sun protection, tapered topicals, review timing and what to do if pigment returns, based on consensus guidance.

Retinol and Pregnancy: What the Safety Evidence Says

Can you use retinol during pregnancy? See what the AAD, EMA and recent studies say, what to do after accidental use, and which actives to use instead.