Best Sunscreen and SPF Explained

Last updated 29 Sep 2015

One of the most common problem when buying a facial care is not knowing which sunscreen is the best for you. With so many choices in brands, SPF values, and waterproof or spray-on type, it can be overwhelming. Many people end up choosing sunscreen with the highest SPF, assuming that it is the best option. You’ll be surprised that it is not always the case. Today, Priceza will answer many questions that will help you choose the right sunblock that will fit your lifestyles!

First off, what is a sunscreen?

Sunscreen or sunblock is a skin product that combine several ingredients to shield you skin from UV, or ultraviolet radiation. There are 2 types of UV radiation: (1.) UVA (2.) UVB. UVB causes sunburn. In other words, it is the radiation that damage the skin on the surface level. To relieve your skin from sunburn, after sun should help you recover from the burn. UVA causes serious damage to the skin because it is able to penetrate more deeply. UVB can create wrinkles, leathering, sagging, and many other aging effects. Skin cancer is also another serious skin damage cause by UVB. Therefore, sunblock will help you reduce skin damage and cancer.

Who should use a sunscreen?

Pretty much anyone over the age of 6 months should apply sunblock daily. You are always exposed to these radiations without being under direct sunlight. It is better to be safe than sorry.

What does SPF mean?

SPF is short for sun protection factor. It is a measure of how much the sunscreen will help protecting your skin from sun radiation. The SPF value ranges from 10 to 100+.

High SPF = Better protection?

It is a common misunderstanding that a 30 SPF sunscreen should block twice as much as a sunscreen with 15 SPF. This is not the case. It is not always linear. Here’s a scale for SPF value and how much it protect from radiation:
SPF 15 will block 93% of UVB rays

SPF 30 will block 97% of UVB rays

SPF 50 will block 98% of UVB rays
You can see that an SPF of 30 offers 4% better protection from an SPF 15. Even though you use an SPF of 500, it will not block a 100% of the UVB rays. So what does the SPF number mean to you? Let say your skin will likely to burn after just 10 minutes in the sun. Applying a SPF 15 sunscreen will protect your skin from burning for roughly 150 minutes. Which means, take the 10 minutes and multiply it by SPF 15. However, if you apply your skin with an SPF 100 sunblock, you are still need to reapply every 2 to 3 hours.

What is the recommended SPF sunblock for me?
 Day-to-day protection
If you are looking for a daily sunblock that you wear before you leave the house, you are looking at a SPF 15 as a minimum. It should filter out 93% of UVB rays. Most body lotions and facial moisturizers usually have a 15 SPF protection. It is good enough for being under the sun for a few minutes, here and there.

 Active and outdoor
A body lotion with sunblock will not be sufficient for those who does outdoor activities. Especially if you are going to be in the water. For a better protection, you should apply a water resistant sunscreen. The SPF should be at least 15, but most dermatologists recommend an SPF 30 and SPF 50. Waterproof sunscreens are good for many reasons. When playing sports, the sunblock will not melt or drip into your eyes when exposed to water or your own sweat. It comes in a few form, a regular liquid sunblock, spray-on, and a stick.
How much sunscreen should I apply?

Many common mistakes when applying a sunblock is that people generally go with a “coin-size rule.” Studies have shown that it is not enough to protect your skin properly. To ensure effective protection, you are looking at about a golf ball size, or a shot glass full of sunscreen for the whole body.

How long does it last, and when should I re-apply?

If you are staying a whole day at the beach or doing other outdoor activities, you should re-apply within 2 hours with the same amount of sunscreen. You should also reapply immediately after being exposed to water. Also, it takes about 30 minutes for the sunblock to bind to your skin and be effective. So, plan ahead and apply before you leave the house!

Common myths about the sunblock..
Myth:If I wear sunblock, I will not get enough vitamin D.”

Answer:  Dermatologists believe that there is not enough evidence to prove this. Even if this is true, there are many ways you can get vitamin D. It is available in food such as eggs, milk, salmon, and even orange juice. Therefore, don’t suffer sunburn because you think you are not getting enough vitamin D.

Myth: “It’s not sunny outside, I don’t need to put sunblock.”

Answer: About 40% of the radiation can reach the earth on a cloudy day. Because people only associate the radiation with being under direct sun, it causes many misconception and led to serious sunburns when being outdoor without any sunscreen protection.
Best Sunscreens Right Now..
clinique sunscreen
 Clinique Super City Block SPF 40 
Best non-waterproof facial sunblock

This oil-free sunblock has a high protection power to protect UVA and UVB rays. It also help to avoid dark spots, and preserve brightness and youthful look of your skin.

keihls sunblock
This is a lightweight sunblock that offers heavy protection from the sun. It has a light texture, so it rapidly penetrate into the skin, leaving a smooth finish. It also moisturizes the skin while offering UV protection. It is perfect for all types of skin.


 La Roche-Posay Anthelios SPF 50+ 
Best sunblock for body
Fragrance-free and ultra-light texture is perfect for those who needs to be under the sun. It is perfect for all skin types, and especially sensitive skin and those with sun allergies!


 Neutrogena Wet Skin SPF 50 
Best sunblock for sports

This Neutrogena sunblock is perfect for those who love to be under the sun and in the water. A regular sunblock can drip off when applying onto a wet skin. With the Helioplex Technology from Neutrogena, it will cuts through water and protect your skin from sun radiations.

Best After Suns..
Moisturizes your skin after a day out in the sun with the after sun from Clarins. The moisture-rich cream will repair and smooth your skin every time you apply. Clarins is known for its quality in skincare, and this is probably one of the best after suns you can find!
Instantly relieves and soothes sun-exposed skin to reduce redness and dryness. It is very lightweight, allowing easy penetration and effective recovery. It is also allergy-tested, so you can be sure that it is gentle on your skin.
We hope that this will clear some of the confusion up for you about sunblock and how you can best protect your skin from sun damage with the best sunscreen that suits you!

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