Health

Should we rub sunscreen on the skin?


I usually put sunscreen on my hands and dab it on my face and rub the cream evenly before going out on the street, then my skin is oily and greasy. Is this the correct way to apply the cream, doctor? (Flower)

Reply:

The sun can wreak havoc on the skin, increasing the risk of cancer and premature aging of the skin. To protect the skin, we need to use sunscreen. However, when using sunscreen, remember to give the skin an effective layer of sun protection without leaving white streaks on the skin or causing sticky, clogged pores.

Specifically, for cream-type sunscreens should be poured into the hand the right amount from the beginning and divided into two to three applications. We will dot into many spots on the face and then pat gently so that the cream covers the whole face and penetrates faster.

Do not pour the cream on your hands and rub it on your skin because the dosage cannot be controlled. No rubbing, pressing or squeezing reduces the sun’s sun protection factor by 25% and increases irritation, weakening the cream’s protection.

Do not use your hands and apply the cream in a circle or spiral, it will cause the cream to run, clump and crease the skin folds. In addition, the act of rounding the cream can easily cause the skin to become clogged with pores, leading to pimples.

We can gently stomp, pat, spread or gently rub as long as you see fit with the product being used, helping to control the amount of cream used without wasting.

In addition, you can use spray sunscreen to cover a wide area such as back, shoulders, legs, arms …, even areas of folded skin or hidden skin effectively. Do not spray directly on the face. Should be divided into two to three sprays, each spray 4 to 6 seconds, 10-15 cm intervals.

Note, do not apply too much sunscreen. For the face only need one to 2 g of 1 / 3-1 / 4 teaspoons of soy sauce cream. For the body, the best dosage of sunscreen is in the 25 to 30 g range.

Use daily 20 to 30 minutes before going out in the sun, and reapply regularly at least once. Sunscreen should be used after applying skin care products and before applying makeup.

Doctor Thai Thanh Yen
Department of Dermatology – Aesthetic Skin, University of Medicine and Pharmacy Hospital, Ho Chi Minh City

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