Sunscreen is essential all year round, but during the summer (when the days are sunny and we spend more time outside) many of us reevaluate the products we use on our skin, including SPF.

When it comes to sun protection, there are often many questions and considerations for many such as what is the best formula to use, how much to apply, even whether to apply sunscreen (this is not even discussed we always wear sunscreen winter-summer). For all of the above, check out the five essential SPF do’s and don’ts so you can absorb that much-needed vitamin D with confidence!

Do: Choose broad-spectrum SPF

To protect the skin from UVA and UVB rays, which are harmful to the skin, broad spectrum SPF is essential. What is really important when talking about a good skin care routine is to “block” the daily UVA rays that are present throughout the year. They can even pass through sunglasses and make up the largest percentage (95%) of UV radiation reaching the Earth.

While UVB rays are what cause the (most visible) burn (and we tend to focus more on them because the damage is so readily apparent), it’s very important to make sure your SPF protects you from UVA rays as well. UVA damage leads to fine lines, hyperpigmentation, uneven skin texture, large pores, rough skin and loss of collagen, all the bad stuff!

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Carefree bathing in the sea is not so much the problem. It’s the daily, half-hour lunchtime walks that add up over the years. Broad spectrum SPF offers a significant level of protection from both UVA and UVB rays and should be used by all skin types. This is a fact.

Do: Choose the right type of sunscreen for your skin

Sunscreens fall into two categories: chemical, which are formulas containing ingredients like oxybenzone that act as sun filters, absorbing UV radiation to prevent skin damage, and natural, which are mineral-based and usually contain zinc oxide and titanium dioxide to naturally protect the skin and reflect light away, but also absorb it.

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The best protection you can get? It’s the combination of both, natural and chemical, that offers very good broad-spectrum coverage from both UVA and UVB rays, but unfortunately, some people opt for chemical formulas because they don’t leave a white residue on the skin. If you are sensitive or prone to redness, have rosacea or any type of eczema on the face, generally a natural sunscreen is right for you. This is also the type we tend to use after procedures like lasers or peels. You can get good UVA and UVB protection with both.

Don’t: Use a small amount

To ensure you’re putting enough sunscreen on your skin, keep in mind that the ideal amount is a quarter of a teaspoon (or 1.25ml). A foolproof method is the ’13-point technique’, which is as simple as it sounds and basically involves applying sunscreen to 13 points on the face and then drying off.

Don’t: Rely on the SPF your foundation contains

The SPF your foundation probably contains isn’t enough! It is important to apply extra and your own sunscreen for maximum protection from the sun and its harmful rays. SPF 15 in your tinted moisturizer won’t be enough because that really means it will only give you a little UVB protection.

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Don’t: Wear low SPF

The classic question: SPF 30 or 50? UV causes not only premature aging, but also skin cancer and both are proven beyond any doubt. SPF 50 offers 95% UV protection compared to 93% of SPF30. Without a second thought, everything leads to SPF50.