Pro-vitamin B5

• What's Actually in Mario Badescu's Buffering Lotion (and Is There a Cheaper Equivalent)?

  Mario Badescu's Buffering Lotion is mostly isopropyl alcohol with a niacinamide-and-panthenol finish, plus a moderate dose of zinc oxide and trace biotin and pyridoxine. The site's own dupe data points to a cheaper, though not identical, formula match.

• Biotin for Hair Growth: Deficiency vs. Marketing

  Biotin gummies promise thicker hair, but real biotin deficiency is uncommon and the evidence for supplementing when you're not deficient is thin. Here's what the studies — and the FDA — actually say.

• Your Scalp Is Skin — What the "Skinification" Trend Gets Right (and Oversells)

  The scalp really is skin — but a different, oilier, hair-covered kind, and that changes which "scalp care" claims actually hold up. Here's what the research shows, and where the marketing runs ahead of it.

• Your Hair Is Already Dead — So What Does 'Repair' Actually Mean?

  The hair you can see and touch has no blood supply, no nerves, and no way to heal itself — so every 'repair' product either patches what's already there or protects what grows in next. Here's the biology behind the label.

• Allantoin: The Quietly Reliable Soothing Ingredient in Sensitive-Skin and After-Sun Formulas

  Allantoin rarely gets top billing on an ingredient list, but its long safety record and modest soothing, softening, and wound-support effects are exactly why it turns up in sensitive-skin serums, after-sun gels, and baby creams alike.

• Panthenol (Vitamin B5): The Quiet Ingredient That Actually Rebuilds Your Barrier

  Panthenol converts to vitamin B5 once it's in your skin, feeding the exact lipid-building process that holds your barrier together — and unlike a lot of skincare claims, this one has real randomized trials behind it. Here's what the evidence shows, and where panthenol's job stops.

Tracking 10 published papers (2025-2026).

• Decoding Sensitive Skin Syndrome: International Expert Advisory Insights on Management From India and the United States of America.

  Journal of drugs in dermatology : JDD, 2026, cited 0× (OpenAlex)

• Current skin care practices in very low birth weight infants in German Neonatal Intensive Care Units - results from a cross-sectional survey.

  Molecular and cellular pediatrics, 2026

• Preparation and Investigation of <i>Artemisia annua</i> L.-Loaded Alginate Hydrogels with Excipients.

  Pharmaceuticals (Basel, Switzerland), 2026

Related ingredients, common formula neighbors, naming, and catalog context. This stays separate from evidence and personal-fit guidance.