Scalp + Hair Strengthening Peptide Treat. Benefits: Super charged with peptides, caffeine, and hop yeast to visibly support hair growth while additional ingredients such as Niacinamide complex, help to fortify and address hair density. Brewed with innovative key ingredients, our treatment works overnight so your hair looks pepped, nourished and awakened with vitality.. Key Ingredients: Caffeine: Known to elongate the hair follicles and stimulate the scalp to support hair. Hop Yeast: Enriches with essential vitamins and oils to address clogged scalp pores and visibly improve hair follicles.. Mix of 15 proprietary peptides: 7 growth factors and 8 natural skin components (collagen, keratin and NMF). Features: DERMATOLOGIST TESTED, 100% Vegan and Cruelty-Free.. Formulated without: Parabens, Sulfates, Artificial, Fragrance,Synthetic Fragrance, Artificial Colors,Synthetic Dyes..