Is this product safe for sensitive, acne‑prone, or dry skin?

While the natural ingredients are gentle, the high pH from sodium hydroxide and the presence of salt can be harsh on very sensitive, acne‑prone, or dry skin, so it should be diluted or used primarily for cleaning rather than direct skin contact.

What is the role and benefit of glycerin in these Marseille soap flakes?

Glycerin acts as a humectant, attracting moisture to help counterbalance the soap’s alkalinity and reduce potential drying effects during use.

How should these soap flakes be applied, and do they contain any controversial chemicals such as sodium hydroxide?

The flakes should be dissolved in water before use for laundry, dishwashing, or surface cleaning; they do contain sodium hydroxide, a standard alkaline agent in soap making that is safe once fully saponified but can cause irritation if applied undiluted to skin.

Auchan, Better life • 1 kg

Copeaux de savon de Marseille

Product

Product Insights

Marseille soap flakes (Copeaux de savon de Marseille) are Ecocert‑certified soap flakes made from traditional Marseille soap, composed mainly of water, glycerin, sodium chloride and sodium hydroxide. The formula is free of synthetic colorants and offers natural cleaning power with added humectant benefits from glycerin, making it suitable for laundry and household cleaning. However, the high alkali content from sodium hydroxide and the presence of salt can be irritating to very sensitive skin, so a patch test or dilution is recommended for direct personal use.

Comparative Analysis

These Ecocert‑certified, non‑colored Marseille soap flakes target eco‑conscious consumers seeking a natural, versatile cleaning agent for laundry and household tasks, positioning them as a sustainable alternative to conventional detergent powders.