Sunscreen (Sunblock) is a skin care product applied to the surface of the skin to block or absorb ultraviolet rays (UVA/UVB), aiming to prevent sunburn, tanning, photoaging and skin diseases caused by ultraviolet rays. It is a must-have in all seasons and an important step that cannot be ignored in daily skin care.

The role of sunscreen
🌞 Block ultraviolet rays: effectively fight UVA (causing skin aging) and UVB (causing skin sunburn).

💧 Protect the skin barrier: reduce the irritation and damage of the sun to the skin.

✨ Prevent tanning and sun spots: keep the skin tone even and bright.

⏳ Delay photoaging: prevent wrinkles, sagging, dryness and other signs of aging caused by ultraviolet rays.

Common sunscreen types
Type Features
Physical sunscreen Uses titanium dioxide, zinc oxide, etc. to reflect ultraviolet rays. It is mild and low-irritating, suitable for sensitive skin
Chemical sunscreen Absorbs ultraviolet rays and converts them into heat. It has a light and breathable texture and is suitable for oily skin
Hybrid sunscreen Has both physical and chemical advantages, strong protection, and is suitable for long-term outdoor use

SPF & PA index description
SPF (Sun Protection Factor): Mainly protects against UVB

SPF30: Blocks about 97% of UVB

SPF50: Blocks about 98% of UVB

PA (Protection Grade of UVA): Mainly protects against UVA

PA+ to PA++++, the more + signs, the stronger the anti-UVA ability

Common forms of sunscreen
Lotion/cream: moisturizing texture, suitable for dry skin and winter use

Gel/water-based: refreshing and non-sticky, suitable for oily or mixed skin

Spray: easy to use, suitable for reapplying or large-area sunscreen on the body

Stick sunscreen: portable and non-sticky, suitable for reapplying on the face at any time

Usage suggestions
Apply 15 to 30 minutes before going out to ensure absorption and effectiveness

Reapply every 2 hours, especially after sweating, swimming or wiping

Sunscreen should cover the face, neck, back of the hand, behind the ears and other areas that are often ignored

Daily sunscreen should not be ignored, there are ultraviolet rays on cloudy days and indoors

Suitable groups
Daily commuters or indoor office workers

Sensitive skin, pregnant women (choose pure physical type)

Outdoor sports, seaside, mountaineering and other activities in exposed environments

Skin care enthusiasts who want sun protection, anti-aging, whitening and skin care

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