When summer comes, many people don’t want to go out at all! Whether it’s going out for work or going on an outdoor vacation, it’s really a minute of sun exposure and a month of darkness! Best tips to get tan fast in summer, Young, adult, middle aged people
How can good skin be so easy to tan in summer?
Causes of tanning
The culprit is ultraviolet rays. The sunlight in summer is relatively strong. Among them, medium-wave ultraviolet rays with a wavelength of 290-310nm can penetrate the skin and reach the basal layer, where they are absorbed by melanocytes, so melanocytes are excited, work overtime to produce melanin, and transport it. To the stratum corneum of the epidermis, it is used to absorb ultraviolet rays to protect the skin and prevent the skin from being damaged by excessive ultraviolet radiation. After that, melanin is slowly excreted from the body through metabolism, which is why it is easy to get tanned in summer and come back white after a winter.
The basic principle of whitening
Faced with the dazzling array of whitening products on the market, consumers can’t help but be dazzled, how should they choose?
The skin can be roughly compared to a city. If a large number of people (ultraviolet rays) influx in summer, the government department will notify the bakery (melanocytes) to urgently produce bread (melanin) to solve the problem of eating. Upon receiving the order, the bakery immediately purchases various ingredients, produces it at full speed, and transports the bread to the bakery for sale by car.
Conversely, if we want to reduce the amount of bread, we can destroy the production of the bakery (inhibit the production of melanin, commonly used vitamin C, arbutin), prohibit the shipment of bread out of the factory (block the delivery of melanin, commonly used nicotinamide) , mobilize the common people to eat all the bread (accelerate the metabolism of melanin, commonly used fruit acid), this is the basic principle of whitening.
How does the whitening ingredient work?
The specific effects of whitening ingredients are basically in line with the principle of proportionality between risks and benefits.
Safe and gentle ingredients tend to work slowly; fast-acting ingredients sacrifice safety. For example, it has been confirmed that accelerating keratin metabolism can excrete the melanin deposited in the stratum corneum, which has a good effect of freckle and whitening. The ingredients in this aspect are glycolic acid, lactic acid, malic acid, salicylic acid, retinol (ie vitamin A) etc. But these ingredients can cause significant irritation to sensitive skin and even disrupt the skin barrier.
Don’t worry about the effect
The vast majority of whitening cosmetics have certain risks in theory, but the level is different, so they are classified as special cosmetics and subject to special supervision.
The effects of the whitening ingredients that can be used at present are actually similar, nothing more than the arrangement and combination of different concentrations. Find a whitening product with a comfortable price and a suitable price, and you can stick to it without changing it.
As ordinary consumers, there is no need for us to struggle with questions such as “which product has the best whitening effect” and “why does the skin not turn white?” “.
As long as you are in the sun, the skin will tan, and as long as there are melanocytes, it will keep producing melanin. The purpose of using whitening skin care products is to prevent sun spots and improve skin brightness, not as advertised. The skin is “tender and white”.
Related queries
why does my skin get tanned so easily
The sunlight in summer is relatively strong. Among them, medium-wave ultraviolet rays.
how to get naturally tan faster
Use sunscreen to get naturally tan faster.
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