If you’re craving that sun-kissed look for summer - but it hasn’t happened for you yet - then we have a few tips for you to try. Take a peek below to see our four recommended ways to lighten your hair for sun-kissed summer locks. Hydrogen Peroxide. Second to bleach (which can be extraordinarily damaging to hair), this chemical is the go-to for hair lightening. Simply pour some that's been diluted to about 3% strength into a spray bottle, spray lightly over hair and relax in the sun for a while. However, while this method is not extreme as bleach, it...