4

Ingredient · Cleaning Active

Sodium Hydroxide (Lye)

Mixed · 4/10, higher is cleaner

How we reached this

Highly corrosive base. Effective drain/oven cleaner; severe contact hazard.

Sources · 1

EWG Healthy Cleaning: Sodium Hydroxide

Regulatory position

United Statespermitted with hazard labeling

Also listed as

NaOHcaustic soda

Products containing this · 2

6Mustela No Rinse Cleansing Baby Micellar Water - 10.14 fl oz: Hypoallergenic, Paraben-Free, Phthalate-Free, Whole BodyBaby & children
7Babyganics After Sun Gel Cream - 5 fl oz: Contains Aloe, Paraben-Free, Phthalate-Free, Artificial Fragrance-FreeBaby & children