Niacinamide has been shown to reduce inflammation and prevent post-inflammatory hyperpigmentation (PIH) in some studies. It works by inhibiting the transfer of melanin from melanocytes to keratinocytes.
This study published in the Journal of Clinical and Aesthetic Dermatology found that topical niacinamide significantly reduced the incidence of post-inflammatory hyperpigmentation in patients with acne.
Niacinamide has been found to be effective in reducing hyperpigmentation, including post-inflammatory hyperpigmentation. It can be used as a topical treatment or taken orally as a supplement.
Niacinamide is a topical agent that has been shown to be effective in preventing post-inflammatory hyperpigmentation. It can be used in combination with other treatments, such as sunscreen and retinoids.
This article from the Skin Therapy Institute discusses the benefits of niacinamide for hyperpigmentation, including post-inflammatory hyperpigmentation. It also provides information on how to use niacinamide as part of a skincare routine.
The American Academy of Dermatology discusses the benefits of niacinamide for skin, including its ability to reduce inflammation and prevent post-inflammatory hyperpigmentation.
This article from Byrdie provides an overview of how niacinamide can help with post-inflammatory hyperpigmentation, including its anti-inflammatory properties and ability to reduce melanin transfer.
This review article published in the Journal of Clinical and Aesthetic Dermatology provides an overview of the current literature on the use of niacinamide for hyperpigmentation, including post-inflammatory hyperpigmentation.