The sun can really take its toll on hair and scalp, both color treated and natural hair color. That's why you need to protect your self with Redken Color Extend Sun Solar Screen. It guards from UVA/UVB rays which can damage the cuticle, causing hair to become dull and prone to frizz and flyaways. Redken Color Extend Sun Solar Screen is a multi-function formula that guards sun-exposed scalp to prevent sunburn, peeling and flaking while replenishing sun stressed hair.