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NOTICIAS

Cheap Sunscreens Online: Study Reveals Safety Risks and Poor UV Protection

Saturday, 11 July 2026
Reading time: 4 min
Crema solar

Sunscreen is one of the most important products for protecting the skin against the harmful effects of ultraviolet (UV) radiation. However, the rapid growth of online shopping has made it easier for low-cost sunscreen products of questionable quality to reach consumers. A recent independent laboratory investigation has found that several inexpensive sunscreens sold online fail to meet basic safety and performance standards, raising concerns about consumer protection.

According to the study, some cheap sunscreens online provide significantly less UV protection than advertised on their labels, while others contain ingredients that are no longer permitted under European cosmetic regulations. Dermatologists warn that relying on ineffective sunscreen may increase the risk of sunburn, premature skin aging, and skin cancer.

Independent Laboratory Tests Reveal Serious Concerns

To determine whether popular online sunscreen products actually deliver the protection promised on their packaging, researchers purchased a selection of products marketed with high Sun Protection Factor (SPF) claims.

The investigation initially ordered 15 sunscreen products from various online marketplaces. However, only ten products were delivered, and just seven were ultimately suitable for laboratory testing.

Scientists evaluated each sunscreen’s effectiveness against both UVA and UVB radiation, while also examining ingredient lists and labeling compliance with European cosmetic legislation.

The findings were alarming. Most of the tested products failed to achieve the advertised SPF, and several showed significant labeling and formulation issues that could mislead consumers.

SPF Claims Did Not Match Real Protection

One of the study’s most concerning discoveries was the large gap between the SPF displayed on product packaging and the actual protection measured during laboratory testing.

Several sunscreens labeled as SPF 50 or even SPF 90+ delivered protection closer to SPF 20, substantially reducing their ability to protect the skin from harmful UV exposure.

This discrepancy is particularly dangerous because consumers often spend more time in the sun when they believe they are using a high-protection sunscreen. If the actual SPF is much lower than advertised, the likelihood of sunburn and long-term skin damage increases significantly.

Researchers also found that some products offered inadequate protection against UVA radiation, which penetrates deeper into the skin and contributes to premature aging, DNA damage, and an increased risk of skin cancer.

Banned UV Filters Found in Some Products

Another major concern involved the detection of ingredients prohibited under European regulations.

Laboratory analysis identified the UV filter 4-Methylbenzylidene Camphor (4-MBC) in several sunscreens sold through online platforms. This ingredient is no longer authorized for cosmetic use within the European Union due to safety concerns.

The products in which this banned filter was detected included:

  • Bioaqua Rice Raw Pulp Sunscreen SPF 50+
  • Laikou UV Defense Daily Sunscreen SPF 50+
  • Sadoer Protection Isolation Sunscreen SPF 50+

Researchers recommend avoiding these products and emphasize that cosmetics sold within the European market must comply with strict safety requirements established under EU legislation.

Only One Sunscreen Met Laboratory Standards

Among all the products tested, only OUHOE Sunscreen SPF 50 successfully demonstrated protection levels consistent with its advertised SPF for both UVA and UVB radiation.

However, even this product contained Ethylhexyl Methoxycinnamate (OMC), a UV filter that remains approved for use in the European Union but has been discussed in scientific literature because of its potential endocrine-disrupting properties. Although current regulations still permit its use within established concentration limits, some dermatologists recommend choosing sunscreens formulated with mineral filters or newer-generation UV filters whenever possible.

The remaining products showed a variety of shortcomings, including inadequate UV protection, misleading SPF claims, and incomplete labeling.

Labeling Problems Raise Additional Concerns

Beyond their performance issues, several sunscreens failed to meet European labeling recommendations.

Some products displayed SPF 90 or SPF 90+, classifications that are not recognized under European sunscreen labeling guidelines. The European Commission recommends standardized SPF categories to help consumers better understand product protection levels.

Researchers also identified missing mandatory safety information and marketing claims such as “paraben free,” which may mislead consumers by implying that approved preservatives are inherently unsafe despite being regulated by health authorities.

Clear, accurate labeling is essential to help consumers make informed purchasing decisions and use sunscreen products correctly.

Choosing a Reliable Sunscreen Is Essential for Skin Health

Dermatologists emphasize that no sunscreen can provide complete protection against ultraviolet radiation. Nevertheless, using a properly tested sunscreen significantly reduces the harmful effects of sun exposure.

Excessive UV exposure without adequate protection increases the risk of sunburn, accelerates skin aging, and contributes to the development of melanoma and other forms of skin cancer.

Experts recommend purchasing sunscreen from pharmacies, authorized retailers, or well-established brands that comply with recognized safety regulations and quality control procedures.

Consumers should also check expiration dates, apply sunscreen generously before sun exposure, and reapply every two hours or immediately after swimming or excessive sweating, regardless of the SPF.

The Lowest Price Does Not Always Offer the Best Value

Many consumers are attracted to inexpensive cosmetic products sold online, but this study suggests that the cheapest option may ultimately be the most costly.

Some low-priced sunscreens contain relatively small amounts of product, making their cost per ounce or milliliter comparable to—or even higher than—that of reputable brands with independently verified performance.

More importantly, using an ineffective sunscreen can have serious health consequences if it fails to provide the protection needed during prolonged exposure to the sun.

When choosing a sunscreen, verified effectiveness and regulatory compliance should always take priority over price alone.

Buying Certified Sunscreens Helps Protect Your Skin

The study highlights the importance of selecting sunscreens that comply with recognized safety standards and whose effectiveness has been independently verified.

The discovery of banned UV filters, misleading SPF claims, and labeling deficiencies demonstrates why consumers should exercise caution when purchasing cheap sunscreens online.

Choosing products from trusted manufacturers, verifying regulatory compliance, and following dermatologist recommendations remain the most effective ways to protect the skin from harmful ultraviolet radiation and reduce the long-term risk of skin damage and skin cancer.