It is said that brush acid is like a tornado, which can take away all the problems and make your skin like a shelled boiled egg. But do you know what brush acid is?
What is brush acid?
Brush acid contains salicylic acid, fruit acid and other ingredients in skin care products, which can help the stratum corneum to fall off, promote the normal metabolism of the skin, remove blocked hair follicles and correct abnormal cell fall off.
Dealing with small acne can prevent pore blockage and is most effective for blackheads. It can reduce abnormal shedding of hair follicle wall, prevent new symptoms and make skin smooth and elastic. General local use, not suitable for full face use.
Who is suitable for brush acid?
(1) brush acid's important premise:
Your skin is in a healthy state. If your skin barrier has been damaged, brush acid is undoubtedly throwing sulfuric acid on your face! ! !
(2) Can't brush acidic skin:
Brush acid is exfoliating, so please bypass the sensitive muscles with thin cuticle! Brush acid can be used for dry skin and oily skin, but only if the skin barrier is healthy! Don't use it for people who are sensitive to acid!
03 Common brush acid products
tartaric acid
The concentration below 8% can accelerate the exfoliation of cell stratum corneum; Reduce acne and acne; Improve skin moisture content and eliminate fine lines.
In addition to the above effects, the concentration of about 20% can also promote melanin excretion and reduce pigment precipitation; Improve acne marks and sunburn.
If it exceeds 20%, it is the concentration of fruit acid used to tender the skin, which can make the skin smooth, reduce wrinkles and remove yellow gas.
salicylic acid
Salicylic acid is an active substance, which is fat soluble (dissolved in skin oil). In addition to changing the pH value of skin, it can also loosen angle plugs (blackheads), prevent acne (acne) and fight skin inflammation. It is suitable for oily and acne-prone skin.
Generally speaking, salicylic acid is about 2%, and pH below 4 can achieve good results.
mandelic acid
Almond acid contains tyrosine and tyrosine, which can effectively inhibit the production of melanin in skin, and is more effective than other skin-changing ingredients.
Nonane diacid
Azelaic acid can inhibit the production and precipitation of melanin, and is suitable for acne muscles with dull skin and a large number of acne scars and acne marks. In addition, it can inhibit fatty acid synthesis and reduce keratin accumulation.
There is no photosensitivity, but the sensitivity of the skin will be stronger, and it will be more irritating than other acids.
Compound acid
Compound acid is usually suitable for all types of skin in Fitzpatrick skin classification, which can improve many skin problems at the same time.
For example: photoaging problems such as spots, heavy color, uneven skin tone, rough skin, acne and so on.
04 Precautions for brush acid
① During brush acid, the skin will become thinner and more sensitive. Stop using all functional skin care products with anti-aging and whitening functions, especially those with scrub function, otherwise the skin will become more fragile.
(2) Do not use various acidic products on top of each other, which will aggravate the damage to the stratum corneum.
③ Don't use alcohol products on top of each other, because alcohol will promote penetration.
④ Products containing nicotinamide and salicylic acid should not be used together, because they will react chemically and become nicotinic acid, forming symptoms similar to allergic reactions on the skin surface.
⑤ During brush acid, you only need to clean your face+replenish water+protect yourself from the sun. In order to prevent skin sensitivity, you'd better choose a mild sunscreen product.
If you feel that your skin condition is almost the same, you can stop using it yourself. Don't brush too much!