How Do Whitening Capsules Work? Whitening capsules function by inhibiting melanin production in the skin. Melanin is the pigment responsible for skin color, and excess production can lead to dark spots, hyperpigmentation, and uneven tone. These capsules contain skin-brightening agents that help in: ✔ Reducing dark spots and hyperpigmentation✔ Lightening overall skin tone✔ Boosting collagen...