If desired, this formula can be diluted in a cream base per application to allow the skin to build tolerance over time. A very strong tingling but non-irritating sensation is expected during the first 1-2 weeks of use until the skin’s tolerance to such high exposure is elevated. Despite the very light forms of silicones used, silicones do impair dermal exposure to Vitamin C slightly but the additional (30%) concentration of Vitamin C helps compensate for this slight inefficiency. Much like our Vitamin C Suspension 23% + HA Spheres 2% formula, this product also offers a suspension but in light silicones for a smooth, non-gritty skin finish. If this feeling is not desirable, we would suggest Vitamin C Suspension 30% in Silicone. This formula feels gritty on the skin for a few seconds. With such format, there are 2 important things to consider: 1) A very strong tingling but non-irritating sensation is expected during the first 1-2 weeks of use until the skin’s tolerance to such high exposure is elevated 2) The powder exposure to the skin disallows the formula to feel like a serum, lotion or cream and each application requires a few seconds to feel absorbed by the skin. (Water-free suspension, tube format) This format is a suspension of very fine L-Ascorbic Acid powder and, as such, provides the most direct exposure of extremely high concentrations of Vitamin C topically. The cost of EAA, however, is nearly 30 times the cost of pure L-Ascorbic Acid. EAA offers as high a potency as direct L-Ascorbic Acid with minimal stinging and extremely high stability even in a solution format.
* Note: Our brands NIOD and Hylamide offer ELAN and C25 respectively, which are solutions of Ethylated Ascorbic Acid (EAA).
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