1. When possible, choose products that list all constituent fragrance ingredients. 

2. If a company doesn’t reveal every ingredient, look for wording that indicates a product is free from sulfates, phthalates, parabens, petrochemicals, propylene glycol, and “synthetic” or “artificial” fragrance.

3. USDA Organic, NSF/ANSI 305 “contains organic,” and NPA Natural certifications prohibit synthetic scents. 

4. Choose brands that are members of the Natural Perfumers Guild. Find a complete list at naturalperfumers.com.