kerotin root volumizer spray- volumizing system and hair thickener for fine, thinning hair - styling and repair spray to boost hair thickening - cruelty free, artificial fragrance free, made in the us k kerotin nourishes while amplifying volume and texture. designed to boost the volume of fine, thin hair by coating the hair strand and providing instant volume and definition. for long term benefits, the unique ingredient naturepep amaranth - a natural plant source from ancient grain - penetrates the hair fiber & increases thickness from the inside. lemon and witch hazel extract dissolve excess oil and help extend the time between washes, avoiding any greasy feeling in the scalp.