Peter Thomas Roth Pro Strength Niacinamide Discoloration Treatment

While the advanced formula combines 10% niacinamide with tranexamic and kojic acid, it is generally safe to use alongside certain Vitamin C serums. However, layering multiple highly active discoloration treatments can cause irritation in sensitive individuals. It is often recommended to use a Vitamin C booster in the morning and the Peter Thomas Roth Niacinamide treatment at night to avoid over-exfoliation.

Because this targeted treatment is designed to tackle stubborn dark spots using potent actives, it typically takes about 4 to 6 weeks of consistent daily use to see a visible reduction in uneven skin tone. The inclusion of kojic acid and tranexamic acid works gradually to suppress melanin production. Results will vary depending on the depth and age of the hyperpigmentation.

No, the Peter Thomas Roth Pro Strength Niacinamide Discoloration Treatment does not contain retinol, relying instead on a 10% niacinamide concentration to tackle discoloration. It also features a probiotic ferment (kombucha) to support the skin microbiome health without the cellular turnover effects of retinoids. This makes it a suitable daytime lotion-like treatment for those who separately apply retinol at night.

Yes, the lightweight, lotion-like consistency of this Peter Thomas Roth booster is formulated to be non-comedogenic, making it highly suitable for acne-prone skin. Niacinamide is naturally anti-inflammatory and helps reduce the redness and post-acne marks left behind by breakouts. The formula effectively targets uneven skin tone without clogging pores or introducing heavy, acne-triggering oils.