The more sun protection, the darker the skin, why?

Many people have always believed that using sunscreen is to prevent darkening of the skin and the more you use it, the more effective it is. However, in fact, some cases are reversed: the more you use sunscreen, the darker your skin, even some people have premature aging such as wrinkles, larger pores, acne and even aging. even the risk of skin cancer.

The amount of sunscreen applied is not enough, not miles after a period of use, causing the cream to lose its effect. Only apply sunscreen in case you have to go out in the hot sun. Apply sunscreen only on the face, skip the whole body Use sunscreen only without using other shielding elements such as hats, coats, umbrellas... Do not remove or lightly remove makeup at the end. day, creating conditions for the sunscreen layer to stick to a lot of dirt and impurities, making the skin dull.

Expiry date: Each bottle of sunscreen after opening should only be used within 6 months. Once this period is exceeded, the sunscreen will be significantly less effective, although the shelf life on the bottle can still be up to 1 or 2 more years. Sunscreen index: The most recommended SPF level is 30 or higher. However, in case of acne or sensitive skin, only SPF 15 should be enough. Function of sunscreen: Sunscreen often integrates other uses such as whitening, concealer or astringent... So depending on the needs of use, users should choose for themselves 1 The bottle of sunscreen is suitable for both sun protection, overcoming disadvantages and ensuring a light and thin makeup for the summer.

In fact, sunscreen only lasts for a certain time and this depends entirely on the SPF. Specifically, 1 SPF is equivalent to 10 minutes of sunscreen that protects skin in the sun. So if you use sunscreen with SPF 30, it means it can protect your skin for 5 hours. Therefore, sunscreen needs to be reapplied every 2-3 hours for the best protection.
In addition to using sunscreen for the face, extend the area to be protected down to the neck, shoulders, back, arms and legs. On the market today, there are sunscreens for each part, choose the right cream for each location, so that the product can maximize its effectiveness.

When applied to the skin, sunscreen will become an armor to protect the skin from the harmful effects of the sun, blue light and even harmful effects from the environment such as dirt, bacteria... Therefore, if applied superficially and sparingly, sunscreen will have almost no effect.
Normally, the amount of sunscreen needed for facial skin is 2-3 ml (this level is equivalent to about 5 peas). When applied to the body, a large amount of sunscreen is needed, maybe as much as a small cup of wine.
In addition, each person's skin has a different ability to catch the sun, this depends on skin color and skin health. There are many studies showing that the whiter the skin, the higher the sun exposure and more susceptible to adverse effects from sun damage or environmental pollution than darker skin. Especially for those who have undergone bleaching, peeling, ..., the skin surface is weak and more susceptible to sunburn than others. Therefore, we need to bring sunscreen every time we leave the house.

In the skin care routine, sunscreen will be in the last step, after the steps of applying cream and before starting makeup. Sunscreen should be applied 20-30 minutes before going out to give the cream time to penetrate the skin, creating a firm protective film on the skin to maximize the sun protection effect. Note that you need to reapply the cream after 2-3 hours, if you are active, increase the number of times to ensure the protection layer is maintained continuously. Please combine using sunscreen with other protection methods such as wearing sunscreen, masks, sunglasses, socks... to protect your skin and skin against the effects of UV rays. Apply the right amount of sunscreen, not too thin or too thick. Choose a quality, reputable sunscreen with a clear origin.