The term brightening casts a wide net. It can apply to products that increase cell turnover to exfoliate away the pigmented upper layers of skin and reveal a fresh, healthier complexion. Products that inhibit pigment production are brighteners. Pretty much...
Mandelic acid is great for all skin tones but has some unique advantages for dark skin because of its non-irritating action. In dark skin tones, the risk of hyperpigmentation is magnified because there’s more melanin in the skin....