It is safe to skin and non-toxic. it brings back the smoothness of the skin effortlessly and instantly. Spraying to the skin surface of the leg will create an immediate pain relief due to veins, it eases pain and reduces swelling problem. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.