The principle of Dark Knuckles Brightening Serum is mainly to use some plant ingredients to interfere with the formation and transfer process of melanin in the skin, effectively reducing the formation of melanin.  

Our Dark Knuckles Brightening Serum exfoliates skin and moisturizes, softens, and smoothes rough knuckles,  It also helps repair those dark skin and even out skin tone

HOW TO USE:

1. Wash your Knuckles with Skin Brightening Soap
2. Take a drop of Dark Knuckles Brightening Serum and apply generously to the Knuckles
3. Gently massage, and let the skin fully absorb it
4. For best results, use the Dark Knuckles Brightening Serum twice a day to nourish dry, patchy Knuckles. Best use with Kojic Soap