With over 2 Million jars of PENETREX® having been distributed since it was introduced, there have been no reports of recurring incidents which would indicate a common occurrence of any negative reaction to the product.
This is not surprising since all of the ingredients (see below) in PENETREX® are extremely well known and have been widely accepted by medical practitioners.
PENETREX® Cream Ingredient List: Water (Aqua), Arnica Montana Flower Extract, Helianthus Annuus (Sunflower) Seed Oil, Glycerin, Glyceryl Stearate, PEG-100 Stearate, Cetyl Esters, Steareth-20, Pyridoxine Hydrochloride (Vitamin B6), Methylsulfonylmethane (MSM/DMSO2), Glucosamine (Vegetable Source), Bilineurine Bitartrate, Ethoxydiglycol, Methyl Gluceth-20, Cetyl Myristoleate, Aloe Barbadensis (Aloe Vera) Leaf Extract, Butyrospermum Parkii (Shea Butter), Boswellia Serrata (Frankincense) Oil, Mentha Piperita (Peppermint) Oil, Cinnamomum Camphora (Camphor), Melaleuca Alternifolia (Tea Tree) Leaf Oil, Tocopherol (Vitamin E), Dipotassium Glycyrrhizinate, Dimethicone, Ammonium Acryloyl-Dimethyltaurate/VP Copolymer, Phenoxyethanol, DMDM Hydantoin, Iodopropynyl Butylcarbamate
PENETREX® Roll-On Gel Ingredient List: Water (Aqua), Isopropyl Alcohol, Arnica Montana Flower Extract, Pyridoxine Hydrochloride, Methylsulfonylmethane (MSM/DMSO2), Glucosamine (vegetable source), Bilineurine Bitartrate, Ethoxydiglycol, Cetyl Myristoleate, Aloe Barbadensis (Aloe Vera) Leaf Extract, Boswellia Serrata (Frankincense) Oil, Rosmarinus Officinalis (Rosemary) Oil, Juniperus Communis (Juniper Berry) Oil, Mentha Piperita (Peppermint) Oil, Eucalyptus Globulus (Eucalyptus) Leaf Oil, Melaleuca Alternifolia (Tee Tree) Leaf Oil, Cinnamomum Camphora (Camphor), Tocopherol (Vitamin E), Dipotassium Glycyrrhizinate, Carbomer, Triethanolamine, DMDM Hydantoin, Diazolidinyl Urea, Iodopropynyl Butylcarbamate