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Sunscreen facts and myths busted

Sunscreen Facts And Myths Busted

Sunscreen is a must for everyone in their day to day life. There are many articles on the web which state the importance of using sunscreen. But still, there are lots of myths circulating in our society which needs to be busted with well-known information.

Today’s blog post is an in-depth article about sunscreen facts and useless myths which we are listening from ages.

Myth: The amount of sunscreen does not matter at all.

Fact: If you apply only a pea-sized amount on your face and neck, it will not provide enough protection. Your skin will still suffer from damage caused by UV rays. According to Doctors, half teaspoon of sunscreen is an adequate amount for our face and neck. One full spoon for your arms and 2 spoonfuls for your legs.

Myth: Sunscreen with higher SPF don’t need reapplication.

Fact: Even if we have applied a sunscreen with higher SPF but we touch and also wipe off sweat from our face persistently. Which in turn, decreases the concentration of sunscreen on the skin. So, reapplication of sunscreen after 2-3 hours provides protection to our face from harmful UV rays.

Myth: Sunscreen with higher SPF protects your skin better.

Fact: A sunscreen with SPF 30 blocks 97% of harmful UV rays whereas a sunscreen with SPF-50 blocks UV rays up to 98%. This means sunscreens above SPF 30 are just a marketing gimmick.

Myth: Sunscreen is just for sunny days or when you are out in the sun.

Fact: Whether it is a sunny day or a rainy day, Sun’s harmful rays are always active during daytime. Even when you are inside your home or at the office, you are still in contact with UV rays.

Myth: SPF is the only factor to look out when you are buying a sunscreen.

Fact: SPF only protects your skin from UVB rays which harm only the topmost layer of skin. While UVA rays damage the skin up to 3 layers. PA factor on sunscreen defends your skin from UVA rays. If you are not able to find PA factor on a sunscreen, look for the term ‘broad-spectrum’. A broad-spectrum sunscreen is able to protect skin from both UVA & UVB rays.

Myth: Waterproof sunscreen does not need to be reapplied.

Fact: Waterproof sunscreen loses their effectiveness after 30-40 minutes in water. Waterproof sunscreen needs reapplication after every hour if you are in water for a long duration.

Myth: SPF-30 sunscreen provides twice the protection as SPF-15 sunscreen.

Fact: SPF-15 sunscreen provides 93% of protection from UV rays while SPF-30 sunscreen provides 97% of protection. So, no point in comparing sunscreens based on SPF indication.

Myth: Sunscreen inhibits our body to absorb Vitamin D.

Fact: Using sunscreen does not block body’s ability to absorb Vitamin D from the sun. In fact, your body doesn’t need more than 10-15 minutes a day under the sun to make Vitamin D.

Myth: I can stay under the sun for a longer duration if I have applied sunscreen.

Fact: Sunscreen with SPF-30 blocks only 97% of harmful UV rays which means if you are persistently under the sun for a long period. Your skin is getting affected by 3% of unblocked UV rays.

Types Of Sunscreen Available In The Market

Types Of Sunscreen Available In The Market

Sunscreen is highly recommended to be applied on a daily basis by dermatologists. However, many people get stuck with the wrong one because of the lack of basic information.

There are a lot of options available in the market to delight you but it is very difficult to choose from all those available options. Since every sunscreen has a different texture and different formulae.

Read the following blog post on different types of sunscreen and pick the best deal for your skin type.

Gel Based Sunscreens

Sunscreens made using gel based formulae get absorbed into our skin immediately. Hence, makes it a great option for oily and acne prone skin. It also works well in summers and humid weather.

Creme Based Sunscreens

The creme-based formula is made to moisturise and protect our face from harmful UV rays. Such sunscreens are super comfortable for the dry and sensitive skin.

Sunscreen Lotions

Sunscreen lotions have a little bit of runny consistency which makes them a suitable option for normal skin type. They serve our skin well in autumn & spring season.

Spray Sunscreens

Such a product is packed in a can with a spritzer to evenly spray sunscreen all over the face and body. These are great for super-oily skin and humid, rainy weather.

Few tips when buying a sunscreen:

  • If you are a sports person, look for a waterproof or water-resistant sun protection. Reapplying the product after every 2 hours is mandatory for such an active person.
  • Chemical sunscreens with ingredients like avobenzone & oxybenzone are great for acne-prone skin.
  • People with oily skin must look for non-comedogenic & mineral oil-free sunscreens.
  • Mattifying sunscreens are also great for oily skin because they keep sebum and sweat at a bay for few hours.
  • Dry and sensitive skin people should look for ingredients like glycerin and aloe vera for extra hydration.
  • People having extra sensitive skin must use mineral sunscreens.
The Ultimate Guide To Sunscreens

The Ultimate Guide To Sunscreens

Sunscreens act as a barrier and protect ourselves from harmful UV rays. They are available in a variety of forms like lotion, cream, gel and spray.

Today’s introductory post is only about sunscreens for all the people who are new to the cosmetic industry. Let’s get started.

Why is it advised to use sunscreen?

Sun rays comprise of visible light, UVA, UVB, UVC and Infrared rays. UVA rays cause allergies, sun tan, blemishes, fine lines, photo-damage and early ageing on our skin. UVB rays cause pigmentation, sunburns and rashes. UVC rays are blocked by ozone layer of earth and thus don’t reach the earth’s surface. Infrared rays also cause premature ageing of the skin.

UVA rays damage up to 3 layers of our skin whereas UVB rays damage only the top layer of our skin. Do you know that 90% of wrinkles occur on our skin because of harmful UV rays? So it becomes crucial to use sunscreen.

Why do we need to wear sunscreen on daily basis?

Sunscreen is extremely important to wear on a daily basis because UV rays can penetrate through glass windows very easily. Whether you are outside or inside your home, your skin is in continuous contact with UV rays.

Where to apply sunscreen?

A sunscreen lotion should be used on all of the exposed body parts like your face, hands, arms & feet. Not only females, even males should also use sunscreen on regular basis.

You should reapply your sunscreen after every 2-3 hours of application. Whether your sunscreen shows high SPF and PA labels but every sunscreen wears off after 2-3 hours. Because you are sweating, touching and wiping your face on a consistent basis.

How to choose a sunscreen?

  • for oily skin – use a mattifying, gel-based or non-greasy sunscreen.
  • for dry skin – use a cream-based or moisturising sunscreen.
  • for normal skin – use any sunscreen suitable for your skin type.

What are SPF and PA factors?

SPF means Sun Protection Factor. It is the measure which tells you about for how long your sunscreen lotion can protect you from UVB rays. SPF 1 means you are safe from UVB rays for 10 minutes. SPF 15 means you are safe from UVB rays for 150 minutes i.e. 2:30 hours.

PA factor tells you about how much effectively a sunscreen can block UVA rays. More ‘+’ signs PA factor shows, more it is effective in blocking UVA rays.

What is a broad spectrum SPF?

Sometimes, your sunscreen lotion does not indicate any PA factor and only states that it is a broad spectrum sunscreen. It means the product provides protection from both UVB as well as UVA rays.

How much SPF and PA factor sufficient in a sunscreen?

SPF 30 blocks UVB rays up to 97%. Any sunscreen higher than SPF 30 provides only little more protection. For e.g. SPF 50 blocks UVB rays up to 98.8%. So, a sunscreen with SPF 30 is more than sufficient for your need.

PA factor showing a minimum of 2-3 ‘+’ signs is efficient in blocking most of the UVA rays.

The difference between physical & chemical sunscreen?

Physical sunscreens usually leave a white film on our skin which disappears after few minutes of application. Whereas chemical sunscreen is absorbed by skin more easily and does not leave a whitish cast on your skin.

Physical sunscreens have ingredients like Zinc oxide and Titanium whereas chemical sunscreens have a combination of these ingredients: oxybenzone, avobenzone, octocrylene, octanoate, homosalate.