Product and ingredient reference
Paula's Choice Resist Super Antioxidant Serum
Paula's Choice Resist Super Antioxidant Serum Paula's Choice Resist Super Antioxidant Serum ingredients explained: Cyclopentasiloxane, Dimethicone, Tetrahexyldecyl Ascorbate, Palmitoyl Tripeptide-5, Ceramide Np, Tocotrienols, Tocopherol, Ubiquinone, Th
Paula's Choice Resist Super Antioxidant Serum Paula's Choice Resist Super Antioxidant Serum ingredients explained: Cyclopentasiloxane, Dimethicone, Tetrahexyldecyl Ascorbate, Palmitoyl Tripeptide-5, Ceramide Np, Tocotrienols, Tocopherol, Ubiquinone, Thioctic Acid, Tocopheryl Acetate, Magnesium Ascorbyl Phosphate, Ferulic Acid, Beta-Glucan, Superoxide Dismutase, Epigallocatechin Gallate, Ergothioneine, Glutathione, Xanthophyll, Glycine Soja Seed Extract, Glycerin, Arctostaphylos Uva Ursi Leaf Extract, Lupinus Albus Seed Extract, Curcuma Longa Root, Elaeis Guineensis Oil, Phenoxyethanol Show all ingredients by function Cyclopentasiloxane emollient, solvent Dimethicone emollient 0, 1 Tetrahexyldecyl Ascorbate antioxidant, skin brightening goodie Palmitoyl Tripeptide-5 cell-communicating ingredient Ceramide Np skin-identical ingredient Tocotrienols Tocopherol antioxidant 0-3, 0-3 Ubiquinone Thioctic Acid Tocopheryl Acetate 0, 0 Magnesium Ascorbyl Phosphate skin brightening, antioxidant Ferulic Acid antioxidant, antimicrobial/antibacterial Beta-Glucan soothing, moisturizer/humectant Superoxide Dismutase Epigallocatechin Gallate antioxidant, soothing superstar Ergothioneine Glutathione Xanthophyll Glycine Soja Seed Extract antioxidant, skin brightening, soothing, emollient Glycerin skin-identical ingredient, moisturizer/humectant Arctostaphylos Uva Ursi Leaf Extract Lupinus Albus Seed Extract Curcuma Longa Root Elaeis Guineensis Oil Phenoxyethanol preservative A super commonly used 5 unit long, cyclic structured silicone that is water-thin and does not stay on the skin but evaporates from it (called volatile silicone). Similar to other silicones, it gives skin and hair a silky, smooth feel. It's often combined with the non-volatile (i.e. stays on the skin) dimethicone as the two together form a water-resistant, breathable protective barrier on the skin without a negative tacky feel. Probably the most common silicone of all. It is a polymer (created from repeating subunits) molecule and has different molecular weight and thus different viscosity versions from water-light to thick liquid. As for skincare, it makes the skin silky smooth, creates a subtle gloss and forms a protective barrier (aka occlusive). Also, works well to fill in fine lines and wrinkles and give skin a plump look (of course that is only temporary, but still, it's nice). There are also scar treatment gels out there using dimethicone as their base ingredient. It helps to soften scars and increase their elasticity. Expand to read more As for hair care, it is a non-volatile silicone meaning that it stays on the hair rather than evaporates from it and smoothes the hair like no other thing. Depending on your hair type, it can be a bit difficult to wash out and might cause some build-up (btw, this is not true to all silicones, only the non-volatile types). Tetrahexyldecyl Ascorbate is a stable, oil-soluble form of skincare big shot Vitamin C. If you do not know, why Vitamin C is such a big deal in skincare, click here and read all about it. We are massive vitamin C fans and have written about it in excruciating detail. So now, you know that Vitamin C is great and all, but it's really unstable and gives cosmetics companies many headaches. To solve this problem they came up with vitamin C derivatives, and one of them is Tetrahexyldecyl Ascorbate (let's call it THDA in short). It's a really promising candidate (see below), but while reading all the goodness about it in a minute, do not forget that derivatives not only have to be absorbed into the skin but also have to be converted to pure vitamin C (ascorbic acid or AA) and the efficacy of the conversion is often unknown. In addition, vitamin C's three magic properties (antioxidant, collagen booster, skin brightener) are all properly proven in-vivo (on real people), but for the derivatives, it's mostly in-vitro studies or in the case of THDA, it's in-vitro and done by an ingredient supplier. With this context in mind let's see what THDA might be able to do. First, it is stable (if pH < 5), easy to formulate, and a joy to work with for a cosmetic chemist. Second, because it's oil-soluble, its skin penetration abilities seem to be great. So great in fact, that it surpasses the penetration of pure vitamin C threefold at the same concentration and it penetrates successfully into the deeper layers of the skin (that is usually important to do some anti-aging work). There is also in-vitro data showin what‑it‑does emollient | solvent irritancy, com. antioxidant | skin brightening skin brightening | antioxidant antioxidant | antimicrobial/antibacterial soothing | moisturizer/humectant antioxidant | soothing antioxidant | skin brightening | soothing | emollient skin-identical ingredient | moisturizer/humectant