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Beauty Front Benchers

National Sunscreen Day: A dermat answers all your SPF questions

By
Hasina Jeelani
3
min read
Skin
National Sunscreen Day: A dermat answers all your SPF questions
National Sunscreen Day: A dermat answers all your SPF questions

If skincare products were cast members in Game of Thrones, Her Majesty The Sunscreen would surely be lounging on the iron throne like royalty. Name one other skincare product that can reduce signs of ageing while keeping skin cancer at bay (we’ll wait).

National Sunscreen Day seems as good an occasion as any to celebrate the many benefits of this skincare staple. You may have got the basics of sunscreen application and the difference between SPF 30 and 50 down pat, but a vigilant regimen of sun protection doesn’t end there. We asked celebrity cosmetic dermatologist Dr Chytra V Anand every possible question you have ever had about sunscreen; and here’s what we learnt.

What is the correct amount of sunscreen to be applied?

According to Dr Anand, the correct amount to apply is roughly two milligrams of sunscreen per square centimetre of skin. “For an adult, this generally translates to about a shot glass full (approximately 30 ml) to cover the body. For the face, you can visualise taking a dollop of sunscreen about the size of a one-rupee coin,” she advises.

What is the biggest sunscreen myth one shouldn’t fall for?

Nope, cloudy days do not give you a hall pass from protecting your skin from UV rays. However, up to 80 percent of UV rays can pass through clouds and can reflect off snow during winter, making sunscreen important year-round. “There is another myth that you won’t get vitamin D if you use sunscreen, which isn’t true as no sunscreen is 100 percent protective,” she adds.

What is the best time to apply sunscreen during the day?

As a rule of thumb, sunscreen should be applied 30 minutes before going outdoors to allow it time to absorb and start working effectively. “Once you wake up and shower, apply sunscreen right away. If you are stepping out without a shower, apply after you brush your teeth so it can absorb sufficiently,” Dr Anand tells us.

How often should it be reapplied during the day?

Sunscreen should be reapplied every two hours—this window of time narrows down if you are swimming, sweating or towel-drying your skin. However, Dr Anand has found that active sunscreens can offer longer protection which can be further boosted with oral sunscreen pills.  

Why is it important to wear sunscreen even when indoors?

If cloudy weather doesn’t allow you to cheat on your skincare routine, staying indoors all day won’t hold much weight either. As Dr Anand cautions, UV rays can penetrate windows and indirect exposure can still contribute to cumulative skin damage and ageing. “If there is daylight, then you need to use sunscreen,” she surmises.

How long does it take for the results from sunscreen to show on the skin?

The immediate results of using sunscreen include protection against sunburn—no surprises there. But in the long-term, a consistent sunscreen habit can lead to reduced signs of ageing and lower risk of skin cancer, which can take years to become evident.

What are some ways or reminders to get into the habit of using sunscreen consistently every day?

Dr Anand believes that setting up the right cues can help. “Setting daily reminders on your phone, keeping sunscreen visible and accessible near other daily essentials, such as your toothbrush, can help make its use a habit. On days when you’re spending prolonged periods of time outdoors, it helps to keep a travel-sized mini in your purse for adequate reapplication,” she signs off.

Tira recommends: Once you have the nitty-gritties of sunscreen application sorted, you’ll want to stock up on these formulas that won’t allow harmful UV rays to crash your skin party:

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Beauty Front Benchers
Skin
By
Hasina Jeelani
By
Hasina Jeelani
Beauty Front Benchers
Skin
3
Min read
National Sunscreen Day: A dermat answers all your SPF questions
Dr. Sheth's Ceramide & Vitamin C Sunscreen-50g (Pack of 2) Combo
COMBO_231026090416-W_E
Dr. Sheth's
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COSRX Aloe Soothing Sun Cream SPF 50 Pa+++ (50ml)
1110901
COSRX
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Aqualogica Glow+ Dewy Sunscreen (50g)
1079474
Aqualogica
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Minimalist SPF 50 PA ++++ Sunscreen With Multi-Vitamin For Reducing Photoaging & No White Cast (50g)
1002795
Minimalist
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Re'equil Hydrate & Sun Protect Combo for Normal Skin
COMBO_240124103742-_NQ
Re'equil
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Neutrogena Ultrasheer SPF50+ PA+++ Face Sunscreen (88ml)
939477
Neutrogena
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Thank You Farmer Sun Project Silky Calming Sun Stick SPF 50+ PA++++ (14g)
1108602
Thank You Farmer
Know More

COMBO_231026090416-W_E
Dr. Sheth's
.

Dr. Sheth's Ceramide & Vitamin C Sunscreen-50g (Pack of 2) Combo

No items found.
Add to Cart
1110901
COSRX
.

COSRX Aloe Soothing Sun Cream SPF 50 Pa+++ (50ml)

No items found.
Add to Cart
1079474
Aqualogica
.

Aqualogica Glow+ Dewy Sunscreen (50g)

No items found.
Add to Cart
1002795
Minimalist
.

Minimalist SPF 50 PA ++++ Sunscreen With Multi-Vitamin For Reducing Photoaging & No White Cast (50g)

No items found.
Add to Cart
COMBO_240124103742-_NQ
Re'equil
.

Re'equil Hydrate & Sun Protect Combo for Normal Skin

No items found.
Add to Cart
939477
Neutrogena
.

Neutrogena Ultrasheer SPF50+ PA+++ Face Sunscreen (88ml)

No items found.
Add to Cart
1108602
Thank You Farmer
.

Thank You Farmer Sun Project Silky Calming Sun Stick SPF 50+ PA++++ (14g)

This convenient sun stick offers SPF protection in a portable, mess-free format. Its soothing formula calms the skin and provides a matte finish, making it suitable for those with acne-prone or sensitive skin. If you have makeup on already, you can swipe this stick on and just dab it in—it shouldn’t mess with your full beat underneath.
5 sunscreens for acne-prone skin that won’t break you out
Sunscreen sticks have been a gamechanger for sun protection, making reapplication an easy and fuss-free process, even with makeup on. But there’s a host of factors to be considered while choosing the best sunscreen stick and this one checks most of the boxes. It applies smoothly and evenly without piling (even over makeup) and leaves a velvety matte finish. It feels super lightweight on the skin and does not leave any white cast or greasiness. Plus, its calming formula ensures that your skin stays balanced and nourished through the day.
Instagram made me buy it: 7 K-beauty picks to cop now
Add to Cart
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No items found.

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About
Dr. Sheth's Ceramide & Vitamin C Sunscreen-50g (Pack of 2) Combo
Dr. Sheth's
COMBO_231026090416-W_E
Know More
COSRX Aloe Soothing Sun Cream SPF 50 Pa+++ (50ml)
COSRX
1110901
Know More
Aqualogica Glow+ Dewy Sunscreen (50g)
Aqualogica
1079474
Know More
Minimalist SPF 50 PA ++++ Sunscreen With Multi-Vitamin For Reducing Photoaging & No White Cast (50g)
Minimalist
1002795
Know More
Re'equil Hydrate & Sun Protect Combo for Normal Skin
Re'equil
COMBO_240124103742-_NQ
Know More
Neutrogena Ultrasheer SPF50+ PA+++ Face Sunscreen (88ml)
Neutrogena
939477
Know More
Thank You Farmer Sun Project Silky Calming Sun Stick SPF 50+ PA++++ (14g)
Thank You Farmer
1108602
Know More