Body Wash and Soaps: What Is Actually in That Bottle

Most conventional body washes and bar soaps contain a few categories of ingredients worth knowing about. First there are synthetic fragrances, which almost always say "fragrance" or "parfum" on the label. The word "fragrance" is legally allowed to cover hundreds of undisclosed individual chemicals. Companies treat their fragrance formulas as trade secrets, so they do not have to list what is actually in them. Some of those chemicals are totally fine. Others are known allergens, hormone disruptors, or irritants, and you have no way of knowing which is which from the label alone.

Sulfates, specifically sodium lauryl sulfate (SLS) and sodium laureth sulfate (SLES), are the ingredients that make soap lather. They are derived from coconut or palm oil but are heavily processed. SLS is a known skin irritant that works by stripping oils from surfaces. For people with eczema, psoriasis, or sensitive skin, SLS is often a major trigger. Even for people without those conditions, daily use can disrupt the skin's natural barrier over time.

Parabens are preservatives used to prevent mold and bacteria from growing in the product. The concern is that they are known endocrine disruptors, meaning they can mimic estrogen in the body. Small amounts are probably not a huge deal in isolation, but these are products people use every single day for years. There are also preservatives like methylisothiazolinone and methylchloroisothiazolinone, which have been flagged as allergens by dermatologists and are restricted in leave-on products in some countries due to the rate of contact allergies they cause.

What to Look for on the Label

• Fragrance-free or scented only with essential oils
• No SLS or SLES if you have sensitive skin
• Short ingredient list you can mostly recognize
• EWG Verified or MADE SAFE certification

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