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How to Choose a Sunscreen
Broad spectrum. Look for "broad spectrum" on the label, which means protection against both UVB (burning) and UVA (ageing) rays.
SPF 30 or higher. SPF 30 is a common everyday recommendation; choose SPF 50+ for long periods outdoors, fair skin, or when using retinoids and exfoliants.
Mineral or chemical. Mineral filters such as zinc oxide sit on the skin and are often preferred by sensitive skin, though they can leave a white cast. Chemical filters are usually lighter and more invisible. Many sunscreens combine both.
Match your skin type. Oily and acne-prone skin usually prefers oil-free, lightweight formulas; dry skin can handle richer lotions.
How to Apply It Properly
Most people apply far less sunscreen than the amount used to test SPF. As a guide, use about two finger-lengths for the face and neck. Apply it as the last step of your morning skincare, before makeup, and reapply every two hours outdoors, and after swimming, sweating or towelling off.
Do not forget the ears, the back of the neck, the hairline and the tops of the hands. And remember that UVA passes through clouds and windows, so daily use matters even on grey days.
FAQ
Do I need sunscreen every day?
Yes. UVA rays reach the skin on cloudy days and through windows, so daily use is the most effective habit.
Is SPF in makeup enough?
Usually not, because people apply far less foundation than the amount used to test its SPF. Use a dedicated sunscreen underneath.
Mineral or chemical sunscreen — which is better?
Both protect well. Mineral suits sensitive skin; chemical formulas tend to be lighter and more invisible. Choose the one you will wear daily.
How often should I reapply?
Every two hours outdoors, and after swimming, sweating or towelling off.
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