How many days is the adaptation period for changing skin care products? Skin care needs our long-term persistence, and the moisture on our face needs our daily maintenance. Skin care products should also be preserved before they can be used for a long time. How many days is the adaptation period for changing skin care products? Are you clear?
How many days is the adaptation period for changing skin care products? 1 It takes about two weeks for the skin to renew itself and adapt itself after it comes into contact with new skin care products. Therefore, if you want to know the real effect of skin care products, you need to insist on using them for more than two weeks to judge, and don't think that skin care products are invalid.
Before changing new skin care products, you should have an allergy test. Apply skin care products to delicate skin such as the inside of the wrist and behind the ear, and wait for one night or two to three days to observe the skin reaction after application. If there are abnormal reactions such as redness, inflammation and itching, it means that you are allergic to this cosmetic and it is not recommended to use it.
What are the adaptation performances of new skin care products?
Replacing new skin care products may cause skin redness, allergies, acne, tingling and itching, especially for people with sensitive skin. Therefore, when choosing new skin care products, we should choose products that are mild, non-irritating and contain no harmful substances.
The above is about the adaptation period of skin care products. Do you know how many days the adaptation period of new skin care products is? Don't change skin care products too often. Replacing new skin care products often requires constant adaptation of the skin, which is easy to cause pressure on the skin.
How many days is the adaptation period for changing skin care products? 2. Several bad habits to accelerate skin aging.
1, go out without sunscreen. Dr Neil Sadik, a dermatologist in new york, said that sun exposure is the main cause of skin aging. Even on cloudy, rainy, snowy days or indoors, you will be exposed to ultraviolet rays. It is recommended to choose a sunscreen that can block UVA and UVB ultraviolet rays at the same time, with a sun protection index of at least 30. Sunscreen containing antioxidants such as resveratrol and vitamin C has better skin care effect.
2. Ignore the back of your hand and neck. Sunlight can damage the skin of hands and neck, leading to premature wrinkles, chloasma, dry skin and loss of elasticity. You should protect your neck and hands with moisturizer and sunscreen as you protect your face.
3. Don't remove makeup before going to bed. Some women go home to sleep after a busy day, which will clog pores with cosmetics and dust, hinder sweat gland secretion, and then induce acne and accelerate aging. It is recommended to remove makeup before going to bed, and it is best to use a mild and neutral cleanser.
4. Change skin care products frequently. After using skin care products, it will accelerate skin aging if you change them immediately regardless of use. Carolyn Jacobs, director of the Center for Aesthetic Plastic Surgery and Dermatology in Chicago, said that the skin renewal cycle is about 30 days, and keratin and elastin need four months to regenerate. Therefore, skin care products must take more than 30 days to see the effect, while anti-aging skin care products need longer time to judge its effect.
5, often stay up late, sleep is not good. Lack of sleep can lead to dark circles, pigmentation and premature skin aging. Staying up late can also lead to an increase in cortisol levels, which in turn increases oil secretion and is more prone to acne. Experts suggest that you should have at least 7-8 hours of sleep every night.