Onestà’s natural, plant-based formulas are free of parabens, sodium lauryl sulfate, sodium laureth sulfate, propylene glycol, DEA, TEA, colors, dyes, animal testing, and animal ingredients. Sulfate Free products. The Onesta hair care ingredients are naturally-derived and contain USDA Certified Organic botanical extracts. A cruelty-free vegan and PETA approved company. You can be assured that you are buying true and certified organic products. Try Onesta natural products and you will love it the first time. Onesta natural hair care products are hair products that are free of harmful synthetic ingredients that are still prevalent in most products today. Onesta in developing their natural hair products collections embarked on pure, natural hair care products that are rich in antioxidants and certified organic botanical extracts designed to revitalize, protect and nurture your hair. The Onesta collections are enriched with an Omega 3 & 6 EFA Complex, certified organic botanicals, and contain ingredients that have been thoroughly scrutinized to come up with the most naturally-derived replacement.