Spring is here and summer is just around the corner. While we all agree that soaking up the Vitamin D the sun provides is essential for optimal health, prolonged sun exposure is one of those areas in which “too much of a good thing can be bad thing”. We asked Dermalogica expert skin therapist Alisha Lim from StudioZ to answer some common questions about the best ways to keep you and your family healthy and safe as the weather warms up.

What are the effects of the sun’s rays?

They are two types of radiation emitted by the sun.

UVA rays are known as aging rays as they can penetrate deeply into the skin. UVA rays damage the protein structures that give our skin strength and support and pro-longed exposure to UVA rays will cause premature ageing to the skin.

UVB rays are knowns as the burning rays as over exposure causes sunburn. Exposure to UVB rays stimulates the production of melanin, the brown pigmentation. Prolonged exposure changes the skin cells and will increase the risk of melanoma, basal-cell carcinoma and squamous-cell carcinoma.

A broad-spectrum sunscreen is needed to protect you from both UVA and UVB rays. 

You can spend between 10 to 20 minutes in the sun without sunscreen but if you are going to be outside any longer, you should apply it.

How do sunscreens work?

Sunscreens can either reflect or absorb UV rays.

What are the differences between physical sunscreens and chemical sunscreens?

Physical sunscreens, such as Titanium Dioxide and Zinc Oxide, both reflect or scatter UV rays away from the skin. They are generally non-irritating so are ideal for sensitive skin. 

Chemical sunscreen ingredients absorb the UV rays and release the energy as heat. Examples are Avobenzone, Oxybenzone and Octocrylene. These are mostly recommended for people who are in the water or doing sports that makes them perspire a lot.

Over the years, I’ve had lots of clients coming to me with the wrong perception of sunscreens as they’ve previously had adverse reactions. At Studio Z, we prescribe sunscreens according to a client’s skin conditions, daily activities and skin tolerance to SPF Factor.

What is SPF Factor?

Sun Protection Factor represents a product’s ability to shield against UVB rays. The higher the SPF, the longer the product will prevent your skin from getting sunburnt. A broad-spectrum sunscreen also helps protect the skin from UVA rays as well.

What are the benefits of using a moisturiser with SPF?

A moisturiser that incorporates sunscreen can be a really convenient way to ensure you protect your skin on a daily basis. Dermalogica often combines SPF protection with a sophisticated skin treatment product. For example, our Dynamic Skin Recovery SPF 50 is a medium weight moisturiser with an SPF. It is packed full of ingredients to combat premature skin ageing including antioxidants and peptides. PowerBright TRx SPF 50 is a lightweight moisturiser with hyaluronic acid. It is often prescribed to clients who have concerns with brown pigmentation, age spots and uneven skin tone. 

When should I use a stand-alone sunscreen?

These sunscreens are handy to have to protect the skin on your body. 

How often do we need to reapply sunscreen?

Reapply sunscreen every two hours, or more frequently if you are swimming or are sweating. Dermalogica’s Protection SPF 50 Sport is water-resistant for 40 minutes so is the perfect beach product for face and body. 

What is a good sunscreen for acne prone skin? Why?

Often people who are prone to breakouts or acne avoid sunscreens as they find them greasy. However, the benefits of using the right sunscreen outweigh one reason for not using sunscreen at all. There are skin treatment products available which will help reduce breakouts and control excess oil production, such as Dermalogica Oil Free Matt SPF 30.

It is a good idea to get into the habit of applying sunscreen while we enjoy the sun. Remember, no one is allergic to sunscreen - they just have to find the right one to suit their skin conditions. 

At StudioZ, we offer a complimentary Face Mapping service to address your skin concerns, which can help you find the right products to use. 

Stay sun-wise everyone.

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