If youre someone who wants to be thoroughly assessed first, shell ensure all the necessary tests are done before recommending any kind of medication
Well, thanks so very much
If you want to verify the efficiency, you can yourself do a clinical study, and prove RFK is wrong

Aging Skin: Lip Lines Application Area: Lips Ideal for these Concerns: Chapped Lips, Free Radical Damage, Sun Damage Ingredient: Antioxidants, Dimethicone, Herbal Extracts, Hyaluronic Acid, Peptides, Vitamin E Preferences: Clean, Fragrance-Free, Non-Comedogenic, Paraben-Free, Phthalate-Free Skin Care: Moisturizers, Skin Care Treatments Skin Type: Acne-Prone Skin, Combination Skin, Dry Skin, Mature Skin, Normal Skin, Oily Skin, Sensitive Skin Aqua / Water / Eau, Hydrogenated Polyisobutene, Glycerin, Cera Microcristallina / Microcrystalline Wax / Cire Microcristalline, Dimethicone, Undecane, Tridecane, Peg/Ppg-18/18 Dimethicone, Silica, Alcohol Denat., Tocopheryl Acetate, Polymethylsilsesquioxane, Ethylhexyl Palmitate, Phenoxyethanol, Lauryl Peg-9 Polydimethylsiloxyethyl Dimethicone, Tocopherol, Magnesium Sulfate, Disteardimonium Hectorite, Glucosamine Hcl, Tribehenin, Caprylyl Glycol, Allantoin, Disodium Edta, Hydroxyethyl Urea, Sorbitan Isostearate, Sodium Hyaluronate, Faex Extract / Yeast Extract / Extrait De Levure, Biosaccharide Gum-1, Palmitoyl Oligopeptide, Silybum Marianum Extract

The causes include bowel diseases, gastritis, certain drugs, and old age