(A) Mamaearth's Tea Tree Hair Mask helps you soothe the irritating oily scalp & control dandruff, thus giving you an itch-free healthy scalp. Coconut oil & Argan oil present in mask moisturize & nourish your hair while Lemon oil & Tea Tree oil make sure that the oil & dandruff are at bay. No matter what type of hair you have - dry hair, curly hair, colored hair, treated hair, oily hair – Mamaearth Tea Tree Mask suits them all!(B) Hi! I am Mamaearth's Happy Heads shampoo. I gently cleanse and promote healthy scalp and hair by removing the built up residue from scalp. I have Bhringraj & Amla for hair nourishment and Biotin which makes hair thick. I am free from harmful chemicals like SLS, paraben, phthalate, dyes and artificial fragrance. Use me for clean and healthy scalp by deeply nourishing your hair from roots to tips.