Glossary
The alcohol form of pantothenic acid (vitamin B5) used in skincare for its exceptional moisturizing, wound healing, and anti-inflammatory properties. Panthenol penetrates the skin and converts to pantothenic acid, which is essential for lipid synthesis and barrier repair. It is one of the most versatile and well-tolerated moisturizing actives.
Panthenol (D-panthenol or dexpanthenol) is a provitamin: it converts to the active vitamin (pantothenic acid, vitamin B5) upon absorption into the skin. Pantothenic acid is a component of coenzyme A (CoA), which is essential for fatty acid synthesis, energy metabolism, and numerous biosynthetic pathways in skin cells. This means panthenol does not merely sit on the skin's surface; it integrates into the skin's metabolic processes to support function from within.
Moisturization: Panthenol is both a humectant (attracts water) and an emollient (softens and smooths). Studies show it reduces transepidermal water loss (TEWL) and improves skin hydration measurements within hours of application. Barrier repair: By providing the building block for CoA, panthenol supports ceramide and fatty acid synthesis in the stratum corneum, directly rebuilding the lipid barrier. Wound healing: Dexpanthenol is a pharmaceutical-grade wound care ingredient, used in hospitals for burn treatment and surgical wound care. Anti-inflammatory: Reduces UVB-induced erythema (sunburn redness) and calms inflammatory skin conditions. Hair conditioning: Penetrates the hair shaft, improving moisture retention, flexibility, and manageability (this is why B5 appears in most quality shampoos and conditioners).
No. Both are B vitamins used in skincare, but they are different molecules with different functions. Panthenol (provitamin B5) primarily provides moisturization, barrier repair, and wound healing. Niacinamide (vitamin B3) primarily provides sebum regulation, pore refinement, and brightening. They complement each other well and can be used together in the same routine.
Panthenol is one of the best-tolerated active ingredients in skincare. It is used in pharmaceutical wound care products specifically because of its gentleness. Irritation is extremely rare even at high concentrations (5 to 10%). It actively soothes and calms sensitive, irritated, and damaged skin rather than aggravating it.
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