Ingredient Guides4 min read
Panthenol (Provitamin B5): Filing a Conditioning Humectant
D-panthenol and DL-panthenol behave differently on skin and hair. Here is how to identify each correctly on your ingredient filing.
February 1, 2026Read
D-panthenol and DL-panthenol behave differently on skin and hair. Here is how to identify each correctly on your ingredient filing.