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Is sunscreen necessary for everyone? Why do we check SPF while buying

Samira Vishwas | June 23, 2026 10:25 AM CST

Sunscreen Uses: Amidst the intense sunlight, increasing pollution and changing lifestyle, skin care has become more important than ever. Often people believe that sunscreen is necessary only in summer or for those going to the beach, but according to dermatologists, the harmful rays of the sun can damage the skin in every season. This is the reason why sunscreen is no longer just a beauty product but has become an important part of skin care.

There are many options available in the market with SPF 15, SPF 30, SPF 50 and above. In such a situation, the question arises in the minds of most people that what is SPF and how to choose the right sunscreen. If you are also confused about this, then let us know the important things to sunscreen and SPF.

Is it necessary for everyone to wear sunscreen?

Experts believe that sunscreen can be beneficial not only for women, but for almost everyone, including men and children. UVA and UVB rays from the sun can damage the skin. Prolonged exposure to these can cause tanning, premature wrinkles, pigmentation and other skin problems.

The special thing is that UV rays reach the earth even on cloudy days. Therefore, it is considered important to pay attention to skin protection not only on sunny days, but also on normal days.

What is SPF?

SPF stands for ‘Sun Protection Factor’. This tells how much protection a sunscreen can provide to the skin from UVB rays. For example, a sunscreen with SPF 30 provides more protection than SPF 15. Although the higher the SPF, the greater the protection, but this does not mean that once applied, there will be no need to reapply throughout the day.

What things should be kept in mind while buying sunscreen?

Choose broad-spectrum sunscreen
Choose a sunscreen that claims to protect against both UVA and UVB rays.

Choose product according to your skin
Gel-based or matte finish sunscreen is considered better for those with oily skin, while those with dry skin can choose moisturizing formulas.

SPF 30 or higher is better
Sunscreens with SPF 30 or higher are often considered appropriate for daily use.

Check out water-resistant options
If you sweat a lot or spend a lot of time outside, a water-resistant sunscreen may be useful.

Be sure to check the expiry date
Old or expired sunscreen may not provide the expected protection.

Correct way to apply sunscreen

Sunscreen should be applied about 15-20 minutes before going out. It is important to cover exposed parts like face, neck, ears and hands. If one has to stay in the sun for a long time then it is better to reapply every 2-3 hours.