- Sun Bum's Blonde Formula Hair Lightener is specifically formulated to brighten and tone your hair by amplifying the natural highlighting effects of the sun. Infused with pineapples and honey, a special UV-activated blend that creates natural subtle tones and beautiful highlights without brassiness. Sun Bum uses straight lemon and pineapple juice to lighten hair while adding a little hydrogen peroxide to give faster results. If you want to go au naturel, pick some lemons off your neighbor’s tree and squeeze the juice into your hair, old school. Featured ingredients include: Costa Rican Pineapple, Hawaiian Lehua Honey, and Meyer Lemon. This product is SLS/SLES Free, Phthalate Free, Paraben Free, Silicone Free, Gluten Free, Cruelty Free, and PABA Free.