
Hanasui Power Bright Serum is a product with 20 ingredients: Water, Niacinamide, Glyserin, Hydroxyethyl Urea, Betaine, Methyl Gluceth-20, Ethoxydiglycol, Propanediol, Phenoxyethanol, Biosaccharide Gum-1 and 10 more.
Contains: Vitamins - Niacinamide, Tocopheryl Acetate; Antioxidant - Niacinamide, Tocopheryl Acetate;
Organic score: 30% natural, 50% chemical. Vegan - No; Cruelty free - No; Reef safe - Yes;
Positive effects
Concerns
INCI - Full Breakdown
Water is a great solvent. It’s neutral and doesn’t provide any strong positive or negative effects. It just helps components to mix better and to transport active components.
Niacinamide is a form of Vitamin B3 and it’s a superman in cosmetics. This ingredient is researched very well. It has a lot of positive reviews from scientists and experts. It's very important for healthy skin. The lack of this vitamin can cause dryness, itching, and sun sensitivity. The component removes small wrinkles and fine lines, heals wounds, and prevents the forming of cancer cells. It also makes the skin tone even by removing dark spots. It increases ceramide synthesis which increases the overall health of your skin. It fights acne and lowers pores.
Researches say that 4-5% of Niacinamide is the most effective concentration for skincare use.

Betaine is used a lot in “organic” skincare products. It is a good moisturizer that not only hydrates the skin but also strengthens the cell membrane. This helps to lower the water loss over time. It also softens the skin and reduces irritation and redness. It’s often used at a 3-5% concentration depending on the product.
Propanediol is a good solvent, emollient and humectant. It helps to moisturize the skin and prevent moisture loss. In haircare products, it conditions hair and improves absorption of the product.
Phenoxyethanol is one of the most popular preservatives. It kills bacteria and makes the product live longer. Manufacturers like this ingredient because it can dissolve in any liquid, even in oils.
Another purpose of this component is the fixation of aromas in perfumery. Phenoxyethanol is also used as a strong antiseptic and a good antibacterial agent. It is widely used in dermatological cosmetics alongside natural antiseptics such as chamomile, sage, and calendula.
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