Yogurt is a popular ingredient in many DIY beauty recipes, including skin lightening treatments. However, there is no scientific evidence to support the claim that yogurt can lighten skin.
While yogurt contains lactic acid, which is known to have exfoliating properties, it is not effective in reducing melanin production. Melanin is the pigment responsible for skin color, and reducing its production is the primary way to achieve skin lightening.
Some people may notice a temporary brightening effect after using yogurt on their skin due to its exfoliating properties. However, this effect is temporary and does not actually change the skin's natural pigment.
If you are looking for ways to lighten your skin, it is important to consult with a dermatologist. They can provide safe and effective treatments that are tailored to your specific needs.