It is important for young adults. It is also important to be aware that skin can become dark because of factors like inherited genes, exposure to the sun, or hormonal imbalances. Taking a lot of water, eating well, and using sunscreen can be helpful if you want to lighten up your skin tone. Always use a mild soap when washing your face consider gentle cleansers and moisturizers. In case, there is no improvement visit a dermatologist who will help guide you on what should be done next since everyone’s skin is not the same as the other person's.