L-cysteine works with vitamin C to suppress the production of melanin, which causes age spots and freckles. Furthermore, it stimulates skin metabolism and promotes the excretion of melanin, alleviating pigmentation caused by age spots, freckles, and sunburn.Vitamin C will make the black melanin colorless.Contains 4 types of vitamins (E, B2, B6, B3) to keep your skin healthy.How to use:Take the following amount twice a day in the morning and evening with water or hot water.Adults (15 years and older): 2 capsules per dose.7 years old or older and under 15 years old: 1 capsule per doseChildren under 7 years of age: Do not take.