Salt scrubs can be easily made at home to pamper your skin. Several homemade recipes of salt scrubs are available in books or can be found online, that contain few easily available ingredients. Commercial products are also available, but they contain many ingredients that may or may not be healthy for the human body. fragrance used in the product may have toxic effects on the human immune system. Products containing glycol may cause irritation, endocrine disruption and/or organ system toxicity. sometimes used as an ingredient. According to the Journal of the American animal studies with high doses of propylene glycol resulted in skin irritation, endocrine system disruption, reproductive effects, etc. Some ingredients included in the commercial products are known to have adverse effects on the environment. Increased use of fragrance in commercial products like salt scrubs, etc., are difficult to remove through waste-water treatment. Environmental hazard because it is a petroleum product that is not nature-friendly. better to use homemade salt scrubs that have fewer, but safe ingredients.
Source : Benefits of Salt Scrubs
