Physical/Mineral Sunscreen

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Physical sunscreen and mineral sunscreen are two names for the same thing: sun protection formulated with zinc oxide and/or titanium dioxide, which sit on the skin's surface and reflect UV rays rather than absorbing into the skin. This makes physical formulas a common choice for sensitive, reactive or post-procedure skin that doesn't always tolerate chemical sunscreen filters well.

Modern mineral sunscreen has moved on from the thick, white formulas many of us remember from childhood. Today's physical SPF products blend more easily into different skin tones, offer lighter textures, and can work well under makeup. Whether you want a tinted sunscreen for even coverage or a clear mineral formula for everyday wear, there's a version suited to most routines.

Choosing a Physical Sunscreen for Your Skin

Physical sunscreen starts working as soon as it's applied, with no waiting period needed. Zinc oxide in particular is well tolerated by sensitive skin and can help calm redness while still protecting against UV damage.

If you have oily or combination skin, a mattifying mineral formula is usually the more comfortable option, while dry skin types tend to do better with a hydrating physical SPF that doubles as a light moisturiser. For body sunscreen, look for a larger-format mineral block that's easier to apply evenly over bigger areas. Popular options include Medik8 Physical Sunscreen, which combines zinc oxide and titanium dioxide for SPF30 protection, and Dermalogica Invisible Physical Defense SPF30, which leaves a soft matte finish with minimal white cast.

Physical vs Chemical Sunscreen Ingredients

You can tell whether a sunscreen is physical or chemical by checking the active ingredients list. Physical formulas rely on zinc oxide and titanium dioxide, both mineral-based ingredients that stay stable in sunlight and heat and are generally considered gentler on sensitive or acne-prone skin. Chemical sunscreens instead use ingredients like oxybenzone, avobenzone and octocrylene, which absorb into the skin to neutralise UV radiation through a chemical reaction; effective for most people, though occasionally more likely to cause sensitivity in reactive skin types.

Mineral formulas are also commonly chosen for beach and ocean swimming, since zinc oxide and titanium dioxide are generally regarded as a lower-impact option for marine environments compared to some chemical filters, though no sunscreen ingredient is entirely free of environmental impact.