Our joint darkening and brightening cream contains glutathione, tretinoin, a-arbutin.It effectively reduces dullness, refreshes the skin, improves uneven skin tone, shrinks pores, lightens wrinkles, slows down the aging process, and leaves your skin smooth and firm.It is easy to use: first clean and dry your skin, after that take an appropriate amount and apply it to the joints, gently massaging until it is completely absorbed.Forms a protective film to prevent melanin regeneration at source; repairs the skin barrier, leaving the skin white and soft.