Effaclar K (+) product image with 60/100 Zerotox safety score

Is Effaclar K (+) Safe? Ingredient Analysis

La Roche-Posay

Effaclar K (+) is one of the skincare products analyzed by Zerotox for La Roche-Posay. The product scores 60/100 in Zerotox, meaning it looks generally acceptable but still includes some ingredients worth reviewing.

The sections below explain why ingredients like Fragrance affect the overall evaluation.

60 / 100

Moderate quality

Why score is 60

The composition includes several synthetic ingredients like dimethicone and propylene glycol, which raise concerns about potential irritation and skin sensitivity. The presence of fragrance may also pose risks for sensitive skin types.

Main concern

Dimethicone is a synthetic silicone that can create a barrier on the skin, potentially leading to clogged pores.

Why it matters: This ingredient is flagged in our analysis based on regulatory and scientific sources. Check the Ingredients section for details and see Data sources for methodology.

Regulation status: Ingredient safety is assessed from EU/EPA/CIR and similar databases; formulations may vary. Always read the product label.

Pros

  • Contains zinc PCA, which can help regulate sebum production and may benefit oily skin.
  • Includes tocopherol, a form of vitamin E, known for its antioxidant properties.

Concerns

  • Dimethicone is a synthetic silicone that can create a barrier on the skin, potentially leading to clogged pores.
  • Fragrance is included, which can cause irritation or allergic reactions in sensitive individuals.

Who should avoid this product?

This product may be less suitable for:

  • people with sensitive skin or fragrance sensitivity
  • users trying to avoid silicones

Ingredients breakdown

Instead of a flat list, this section explains each ingredient in the context of this skincare.

How we score

Our safety scores and ingredient breakdowns are based on regulatory and scientific sources. See Data sources & methodology and How Zerotox works for full details.

Product info

Product ID: 4272588

More from this brand: La Roche-Posay products in Zerotox

Similar products: skincare in Zerotox database

Report / complain: You may report errors or complain about this product or its formulation to hello [at] zeroto.app . Published for transparency.

Frequently asked questions

La Roche-Posay — Effaclar K (+) has a Zerotox safety score of 60 / 100. Check the ingredient breakdown above. More La Roche-Posay products. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.
La Roche-Posay — Effaclar K (+) scores 60 / 100. Daily use depends on your skin type and tolerance, so review the flagged ingredients and patch-test if you are sensitive. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.
We do not detect parabens in this product's listed ingredients. Always check the label as formulations change.
Yes. Our analysis indicates fragrance or parfum. This can irritate sensitive skin. See the Ingredients section.
Browse skincare products on Zerotox with ingredient analysis.
Yes. Our analysis flags fragrance in La Roche-Posay — Effaclar K (+). See the Ingredients section above.
The composition includes several synthetic ingredients like dimethicone and propylene glycol, which raise concerns about potential irritation and skin sensitivity. The presence of fragrance may also pose risks for sensitive skin types. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.
This depends on the ingredient profile. People with sensitive skin or scalp, users avoiding fragrance, sulfates or animal-derived ingredients, and cautious shoppers should review the breakdown above before buying. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.
This product contains fragrance or allergens that may affect sensitive skin. See the Ingredients section and patch-test. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.
La Roche-Posay — Effaclar K (+) has a Zerotox score of 60 / 100 among skincare products. See the full breakdown above.
Our analysis notes: Contains zinc PCA, which can help regulate sebum production and may benefit oily skin.; Includes tocopherol, a form of vitamin E, known for its antioxidant properties.. See the Pros section above.
This product is flagged for: Dimethicone is a synthetic silicone that can create a barrier on the skin, potentially leading to clogged pores.; Fragrance is included, which can cause irritation or allergic reactions in sensitive individuals.. See the Concerns and Ingredients sections above.

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