Testing > Sun Protection | Cosmetics & Toiletries

woman hiking mountains backpack using sunscreen

2025 Will See Faster, More Ethical and Accurate SPF Testing: ISO Approves Two New Methods

In December 2024, the ISO gave its long-awaited final approval of two SPF test methods that experts say are more ethical, economical and accurate than current approaches. One in particular is also reportedly faster, reducing analysis from weeks to days.

'[Sunscreen] developers will be able to innovate more efficiently while maintaining high standards of quality and safety for consumers.'

[update] How ISO's Endorsement of Two Test Methods Will Enlighten Sunscreen Development

The authors believe that adding the properties of a wide range of commercial sunscreens to the system database will increase the rate of appropriate sunscreen usage by customers.

AmorePacific, Hanyang Univ. Dynamically Visualize UV Dose on SPF-protected Skin

To prevent and repair UV-induced skin damage, a sustainable ingredient was developed from Sargassum vulgare, a brown seaweed that naturally evolved phlorotannins to defend against UV damage. The algae was fermented using a proprietary yeast to enrich this bioactive content; the resulting ingredient was tested as described here for skin benefits.

Brown Seaweed Ferment Propagates UV Damage Protection for Skin

To prevent and repair UV-induced skin damage, a sustainable ingredient was developed from Sargassum vulgare, a brown seaweed that naturally evolved phlorotannins to defend against UV damage.

TDF Blu Viole Sunscreen specifically protects the skin from not only sun damage but blue light as well, preventing hyperpigmentation, melasma and brown spots.

TDF Blu Voile Sunscreen Found to Protect Against Blue Light

The skin-protecting efficacy against the effects of blue light irradiation was analyzed, as well as the quantitative and qualitative evaluation of protein carbonylation in human skin explants.

Reconnecting with Bio-Botanica® An Interview with Jason Katsoris, B2B Marketing Manager

Reconnecting with Bio-Botanica® An Interview with Jason Katsoris, B2B Marketing Manager

"We supply botanical extracts rooted in traditional herbal use for topical applications..." says Jason Katsoris, B2B marketing manager for Bio-Botanica, in this sponsored article. Read on to be re-acquainted with the company.

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Impaired Barrier Affects Skin's Sensitivity to UV Radiation

Skin care products that improve skin conditions associated with UV sensitivity, and include sunscreen are important for protection against the hazards of UV radiation.

(Depiction only) The new method uses the spectroradiometric measurement of residual UV from a single pre-irradiation dose through a thin layer of sunscreen applied to a multi-layer substrate.

7 Years in the Making: CE Recommends In vitro SPF Double Plate Test Method

"... No in vitro method had [previously] advanced to the stage that CE could recommend it. So those who did not want to use an in vivo method could use any ... unvalidated method; this should no longer be the case."

Knowledge in sun protection has become more comprehensive, making sunscreen testing and development more challenging. This article explores what we know and what is needed in terms of sunscreen testing, regulation and consumer communication.

Are UV Tests and Protection Headed in the Right Direction?

Knowledge in sun protection has become more comprehensive, making sunscreen testing and development more challenging. This article explores what we know and what is needed in terms of sunscreen testing, regulation and consumer communication.

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Research Reviews Non-penetrating Sunscreen Vehicles, Looks to Jojoba

Several "carriers for the future" were highlighted, such as lipid carriers, cyclodextrin derivatives, encapsulation approaches and non-penetrating sunscreens incorporating UV filters and jojoba oil conjugates.

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‘Cleaning Up’ Sun Care: Natural Wax/Surfactant Blend for Sustainable Performance

Many clean beauty edicts emphasize the replacement of synthetic ingredients with sustainable and natural-derived materials wherever possible. Maintaining the same or better efficacy, however, poses a formulation challenge. This article explores the efficacy of multipurpose natural wax/surfactant blend to replace several traditional materials with one.

Italian researchers have discovered that a form of vitamin B3 can help protect skin cells from certain types of UV radiation.

Nicotinamide Can Protect Skin Cells From UV-Induced Damage

Italian researchers have discovered that a form of vitamin B3 can help protect skin cells from certain types of UV radiation.

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Sunscreen Absorption Makes Waves Again, FDA Shifts Toward Test Sample Selection

Questions of sunscreen absorption made waves once again in a recent report in the Wall Street Journal. Prior reports found no cause for concern while more recently, the FDA turned its focus to the selection method for sunscreens used in absorption tests.

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Kao Takes the Heat Off Infrared-exposed Skin

By focusing on principle factors related to light wave interference, Kao researchers have identified a means to selectively block the NIR wavelength.