What does the 10% ichthyol salt actually do in the balm?

The primary active ingredient is sodium shale oil sulfonate, commonly referred to as ichthyol salt, at a concentration of 10%. In the context of this cosmetic balm, this ingredient has a long history of use in topical skin care products for its ancillary benefits. Its role is not to treat medical conditions but to support the cosmetic goal of maintaining the appearance and feel of the skin in the targeted area.

Practically, it is understood to help keep the application zone hygienically clean, which can contribute to the skin looking calmer and more maintained. When combined with the petrolatum base—which softens the skin by reducing moisture loss—the ichthyol salt works as part of a formula aimed at improving the texture and evenness of small, rough patches. It's this combination that makes the balm suitable for focused evening care on persistently dry spots like elbows, where a protective, lasting product is often preferred.