use dark neck kit. generally used to brighten and lighten the skin tone. Ubtan helps in reducing pigmentation and makes your neck skin glow. The pack used in the mixture helps exfoliate the skin, absorbs impurities, and tightens pores.
RESON FOR DARK NECK
The skin on the neck is prone to darkening, whether due to hormones, sun exposure, or other skin-related conditions. A person whose neck darkens or turns black may also notice changes to the texture of their skin, such as thickening or feeling softer than the surrounding skin.