Panthenol: The Quiet Powerhouse of Barrier Repair

Panthenol (pro-vitamin B5) is a widely used yet often underestimated skincare ingredient known for its soothing, hydrating and barrier-repair properties. Commonly found in creams, serums and masks, it is often seen as a supporting ingredient rather than a key active.

However, evidence shows that panthenol does far more than basic moisturisation. For sensitive, compromised or post-procedure skin, it plays an important role in restoring comfort, resilience and skin function. As the industry shifts toward barrier health and gentle care, panthenol is increasingly recognised as a key ingredient for long-term skin recovery rather than short-term soothing.

What we know

• Panthenol (provitamin B5) converts into pantothenic acid when applied to the skin and penetrates the outer skin layer, increasing water retention and reducing transepidermal water loss (TEWL) 1.

• It strengthens the skin barrier by supporting lipid production and new skin cell growth, helping damaged or irritated skin recover more quickly 2.

• Panthenol also has soothing and anti-inflammatory effects, helping to reduce redness, irritation and UV-related skin sensitivity 3.

• When used in skincare, 1–5% show consistent improvements in hydration, barrier repair and overall skin comfort 4.

Industry impact and potential

Panthenol offers clear opportunities for barrier-led, science-driven skincare innovation:

• Barrier-first formulations: Pairing panthenol with other ingredients such as ceramides and fatty acids to support barrier resilience.

• Sensitive and post-procedure care: Use in masks, emollients and recovery products for compromised or reactive skin.

• Synergistic systems: Combining with niacinamide or prebiotics to boost soothing, redness reduction and repair.

• Next-generation derivatives: Ingredients such as panthenol citrate potential for antioxidant, photoprotective and anti-inflammatory benefits.

Our position 

At Sequential, we combine microbiome profiling with molecular, metabolomic and multi-omic analysis, and can evaluate how panthenol-containing formulations affect hydration, TEWL, lipid balance and skin resilience in real-world use. Leveraging our global database of 50,000+ samples, we support brands in developing evidence based, barrier-focused formulations that prioritise long-term skin health, comfort and repair rather than surface-level soothing claims alone.

References

1. Proksch, E. et al. (2017). Topical use of dexpanthenol: a 70th anniversary article. Journal of Dermatological Treatment, 28, 766–773.

2. Gao, M. et al. (2025). Efficacy and safety of a panthenol-enriched mask for skin barrier recovery after facial laser treatment. Journal of Cosmetic Dermatology, 24.

3. Gorski, J. et al. (2020). Dexpanthenol in wound healing after medical and cosmetic interventions. Pharmaceuticals, 13.

4. Camargo, F. et al. (2011). Skin moisturizing effects of panthenol-based formulations. Journal of Cosmetic Science, 62, 361–370.