Look for broad spectrum with minimum Sun Protection Factor (SPF) of 30. Use daily and reapply.
Physical Sunscreen has only 2 main ingredients that deflect harmful rays. They are not absorbed by skin and unlikely to cause skin irritations. It's known for leaving that thick white film, however some brands now make it with clear Zinc which prevents that from happening. Physical sunscreens are mineral.
The positive side to chemical sunscreen is that it can feel thinner and spreads easily providing more coverage without creating a white cast. It's often mixed with beneficial skin care ingredients. The negative is possible skin irritations due to the number of synthetic ingredients that are absorbed. UV rays are allowed to make contact with the skin and are then transformed. Chemical sunscreens are synthetic.
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