SPF50 and SPF30 Sunscreen. What is the difference?

A child wearing SPF50+ Sunscreen byOcean Freedom

The difference between SPF30 and SPF50 sunscreen lies in the level of protection they offer against the sun’s ultraviolet (UV) rays. Sun Protection Factor (SPF) measures the amount of time it takes for UVB rays to cause skin redness compared to unprotected skin. Here’s a breakdown of how the two SPFs compare:

1. SPF30 sunscreen: It offers protection against approximately 97% of UVB rays. This means it allows only 1/30th (or about 3.3%) of the UVB radiation to reach your skin. It provides a high level of sunburn protection.

2. SPF50 sunscreen: It offers protection against approximately 98% of UVB rays, allowing only 1/50th (or about 2%) of the UVB radiation to reach your skin. It provides a slightly higher level of sunburn protection compared to SPF30.

While the difference between SPF30 and SPF50 may seem minimal, it’s important to note that SPF50 provides a marginally higher level of protection against UVB rays. However, it’s crucial to remember that no sunscreen can offer 100% protection, so reapplication and other sun-safe practices like seeking shade and wearing protective clothing are still important regardless of the SPF level.

Ocean Freedom is a purpose-developed range of mineral sunscreens for everyday use for families that love to live outdoors. Ocean Freedom sunscreens provide broad spectrum UVA and UVB sun protection by using non-nano mineral UV blockers making it great for outdoor use on land and in water for all sporting activities. Ocean Freedom mineral sunscreens are fragrance-free, non-greasy, dermatologist approved, reef-safe, sulphate-free, paraben-free, and suitable for all ages and skin types. Our proudly South African sun care products are developed, tested and authentically proven under the harsh African sun.
View the Ocean Freedom SPF30+ and SPF50+ Sunscreen Products here: https://oceanfreedom.com/shop/
Other Important things to look out for when purchasing a sunscreen:

Dermatologist approved

Dermatologist approval ensures that the product has been tested and deemed safe for use on the skin. This endorsement gives consumers confidence that the sunscreen has been formulated with skin health in mind and is less likely to cause irritation or adverse reactions.

Broad Spectrum SPF50+ UVA & UVB Sun protection

Protection Against Both UVA and UVB Rays offering protection against both UVA and UVB rays. UVA rays can lead to premature aging and skin damage, while UVB rays cause sunburn. A broad-spectrum sunscreen helps shield the skin from both types of harmful rays.

Paraben & Sulphate free

Parabens and sulfates are two common chemicals found in skincare products that some individuals prefer to avoid due to potential health and environmental concerns. By being paraben-free and sulfate-free, this sunscreen aims to offer a more natural and potentially safer option for consumers.

Water Resistant

Water-resistant means this sunscreen maintains its effectiveness after exposure to water, sweat, or moisture (40 minutes) however re application is required after 40 minutes if in water or sweating. Re-apply every 40 minutes if in water or sweating. Apply 15 minutes before going into the sun or water.

CANSA Association approved

The approval of the Cancer Association of South Africa (CANSA) signifies that the product has met specific standards and guidelines set by a reputable organization dedicated to cancer prevention and awareness.

Reef Safe and Environmental Protection

It helps safeguard coral reefs and marine ecosystems by avoiding harmful chemicals found in traditional sunscreens.

Compliance: It ensures compliance with bans on certain sunscreens in areas like Hawaii and the Caribbean.

Personal Health: Reef-safe sunscreens use mineral-based ingredients, reducing potential health risks and skin irritation.

Effective Sun Protection: They provide broad-spectrum sun protection and are often water-resistant.

Biodegradability: Some options are biodegradable, minimizing their impact on the environment.

Ethical and Sustainable: Choosing reef-safe products supports brands prioritizing environmental responsibility.

For more information on SPF you can also visit https://www.cancer.org.au/cancer-information/causes-and-prevention/sun-safety/about-sunscreen/spf50-sunscreen




Photographer Colin Fitch – 2023 Tyrelife Solutions SA Para Surf Champs and Para Surf League Open powered by Ocean Freedom


Photographer First Light Studio – 2023 Tyrelife Solutions SA Para Surf Champs and Para Surf League Open powered by Ocean Freedom