When buying skin care products, how many people rely on the recommendation of others to choose? How much do you know about ingredients in skin care products? Don't follow the trend, learn the ingredients of skin care products, choose the right for you!
Common ingredients of skin care products and their effects.
Hydrating
● Moisturizer
Mainly glycerol, hyaluronic acid (hyaluronic acid), sodium hyaluronate, propylene glycol, butanediol, panthenol (vitamin B5) and so on. The principle is to absorb water from the dermis or the surrounding environment into the stratum corneum.
Glycerin and butanediol, in particular, are one of the most common moisturizers in skin care ingredients, with strong moisturizing properties and very cheap.
● Softener
The main components are Jojoba oil, squalane, polydimethylsiloxane and so on. It can fill the space between the keratinocyte fragments of the skin, making the surface of the skin smooth and soft.
Squalane is very close to human sebum, low irritation, not easy to sensitize. When used in skin care products, it has good affinity with the skin, good skin permeability, and will not have the feeling of floating on the surface after use, nor will it be too greasy.
● Sealing agent
There are mainly mineral grease (petroleum jelly), lanolin, cetyl alcohol, mineral oil (liquid paraffin), siloxane derivatives and so on. By forming a hydrophobic film between the skin surface and the surface keratinocytes to prevent or delay the loss of water, usually more thick and greasy, very suitable for dry skin people.
Anti-inflammatory repair
● Anti-inflammatory relief
Such as allantoin, urea, various plant extracts (asiaticoside, portulaca, red myrrh, dipotassium glycyrrhizinate). It mainly plays the role of anti-inflammatory, moisturizing, soothing sensitivity and so on.
● Repair the skin barrier
Ceramide, cholesterol, these two are well-deserved "repair master".
The role of this kind of skin care products is to supplement the "cement" between the sebum membrane and keratinocyte on the skin surface through these ingredients, so as to strengthen the "brick wall structure" of the skin surface, often designed for sensitive skin such as eczema and rosacea.
● Skin lightener
There are too many whitening contestants! The most common are niacinamide, arbutin, vitamin C (ascorbic acid), 377 (phenylethylresorcinol), tranexamic acid (tranexamic acid), glutathione, kojic acid, and so on.
Anti-oxidation and anti-aging
● Antioxidant
Vitamin C and vitamin E (tocopherol) can neutralize oxygen free radicals, promote collagen synthesis, and achieve the effect of fading fine lines and brightening skin.
● Anti-aging
Retinol (retinol) is known as the "anti-aging pioneer in skin care" and "anti-aging carrier", which has the effect of improving skin thickness and promoting collagen production, which can reduce the degree of wrinkles to A certain extent, and is a good hand to combat skin photoaging.
As A derivative of retinoic acid, retinol is relatively safe, more mild, and can be used for a long time, but it still has a certain irritation, and you need to gradually build tolerance when using, and you need to pay attention to sun protection during the day. However, excessive use has teratogenic effects on the fetus, so pregnant women should use with caution.
● Acne remover
Look for these three acids: azelaic acid, salicylic acid, and fruit acid. They have a wide range of effects, not only can eliminate acne, but also exfoliate, reduce pigmentation and other effects.
These kinds of acid skin care products bought daily, the concentration is much lower than the hospital brush acid, the effect is weak, but the advantage is less irritating, safer, and the price is more friendly.
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