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What does SPF in sunscreen even mean?

Sunscreen, is your ultimate shield against the relentless forces of the sun. But what's the deal with SPF, and why should you care? The answer is you MUST. The secrets behind SPF, its mystical numbers, and how to rock your sun protection game like a pro - it all lies here. 

In This Article:

What Does The SPF Number Mean?

Which SPF Is Good?

What Does The SPF Number Mean?

SPF, short for Sun Protection Factor, is a crucial measure of a sunscreen's ability to shield your skin from the harmful effects of UVB radiation. These levels, often seen as SPF 15, SPF 30, SPF 50, and beyond, indicate the percentage of UVB rays the sunscreen can filter out.

To put it in perspective, SPF 15 blocks around 93% of UVB radiation, SPF 30 shields about 97%, and SPF 50 provides nearly 98% protection. Essentially, using a higher SPF means it would take that many times longer for your skin to experience sunburn compared to not using sunscreen at all. The key takeaway is that a higher SPF equates to greater sun protection and reduced skin damage.

Which SPF Is Good?

Now, the burning question – which SPF level do you need? If you're mostly an indoor enthusiast, SPF 20 or lower could suffice. However, frequent outdoor exposure demands a more robust shield, like SPF 30 or higher. But here's the kicker – it's not a one-and-done deal. Reapplication every two to three hours is the golden rule, especially if you're on the move.

Beyond just the SPF number, several factors influence the effectiveness of your sunscreen like skin type, frequency of reapplication, weather conditions, perspiration and proximity to reflective surfaces.

Navigating the sunscreen aisle might seem daunting, but fear not – we've got your back (not from the sun; you'll need the sunscreen for that). Here's a breakdown of SPF-equipped products to cater to your sun safety needs.

The Best Sunscreen For Every Skin Type 

Niacinamide Sunscreen

Looking for your SPF BFF? Presenting UV-Squad’s Sunscreen Gel Niacinamide & Pro-Ceramides SPF 50 PA+++. This one shields your skin against harsh UVA, UVB and Blue light. It also fights pigmentation and further helps with your skin barrier. It’s quite lightweight and is no doubt water resistant.

Hyaluronic Acid Sunscreen

Our In-Vivo, Sunscreen Gel Hyaluronic Acid & Pro-Ceramides has 50 PA+++. This one is for dry, dehydrated skin. Never compromise on your skin barrier as this sunscreen is all you need to keep healthy, happy and sane. Moreover, this sunscreen is sweat-resistant and comes in a lightweight gel texture. You asked for zero white cast? This is the best sunscreen for dry skin won’t leave behind any white cast, no matter what.

Body Sunscreen Lotion SPF 50 PA++++

We understand that shielding your body is just as crucial as caring for your face. This clinically tested In-Vivo sunscreen offers more than just basic protection. With a dynamic blend of Niacinamide, Vitamin C, and Pro-Ceramides for comprehensive skin defence, our sunscreen lotion is crafted to be non-greasy and leaves no trace of that unwanted residue.


In conclusion, sun protection is crucial, encompassing defence against UVA, UVB, and blue light. Effective care involves not just the SPF number but consistent reapplication during prolonged exposure.

UV-Squad excels in SPF testing through In-Vivo evaluations, ensuring our sunscreen effectively safeguards against UV radiation and sunburn. Our patented Pro Ceramide technology goes beyond ordinary ceramides, preserving and restoring the skin barrier. Rooted in innovation and real-world performance, UV-Squad products embody a perfect blend of technology and skincare efficacy.

Frequently Asked Questions

Q:1 Does a high SPF protect against both UVA and UVB rays?

A. Yes, a high SPF indicates strong protection against UVB rays, which cause sunburn, but it doesn't necessarily guarantee robust defence against UVA rays. Look for "broad-spectrum" on the label for comprehensive coverage.

Q:2 Do extremely high SPF products mean higher protection?

A. Not significantly. While SPF 30 filters out about 97% of UVB rays, higher SPFs provide only marginal increase. SPF 50 is commonly recommended, striking a balance between effective protection and user compliance.

Q:3 Is SPF 30 enough, or should sunscreens of SPF 50 be preferred?

A. SPF 30 is generally adequate for daily use, but SPF 50 offers a slightly higher level of protection. The choice depends on factors like skin type, sun exposure duration, and personal preference.

Q:4 What does ‘Broad-spectrum’ mean?

A. "Broad-spectrum" indicates that the sunscreen protects against both UVA and UVB rays. It ensures comprehensive coverage, guarding your skin against sunburn, premature ageing, and skin cancer.

Q:5 What is the minimum SPF that should be used?

A. Experts recommend a minimum of SPF 30 for everyday use. However, higher SPFs may be preferred for extended sun exposure or for individuals with fair or sensitive skin.

Q:6 How long does SPF 50 last?

A. SPF 50 lasts for about two hours, but reapplication is crucial, especially after swimming, sweating, or every two to three hours for continuous sun exposure. Regular reapplication ensures consistent protection.

Written by Needhi Dhoker on Jan 24, 2024
Fashion & beauty fanatic. Tea or coffee dilemmas. John Mayer vibes. Spilling words and swooning over skincare.

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