Helan's Exclusive line of personal care products are formulated to be free of Harmful preservatives such as parabens, PEG's, Quaterniums, and Methylisothiazolinone, along with harmful fillers such as petroleum byproducts, mineral oil, siliones and lanolin. Each batch is specifically tested 100% free of contaminants like Lead, Nickel, Mercury, Cadmium, Tin and Aluminum (all of which do not need to be listed in an ingredient list since they are contaminants) THe Helan line is highly concentrated with jars and bottles lasting up to three times longer than other brands The high concentration of active ingredients contained in the Argan, Babassu and Jojoba oils and in Karitè butter, performing a nourishing and reinforcing action, combined with highly-volatile emollient substances, makes this treatment especially effective to rebalance sebum production, seal cuticle scales and restructure the hair fiber, which is often very dry.