The treatment is short and comfortable for most, with only a minor sensation like a quick pinch
If your state is not on this list, Willow cannot legally prescribe medication to you

The full ingredient list: Ingredients: Aqua (Solvent), Tetrahexyldecyl Ascorbate (Antioxidant), Dimethicone (Skin conditioning agent), Glycerin (Humectant), C9-12 Alkane (Emollient), Ascorbyl Glucoside (Skin brightening agent, Silica (Opacifying agent), Pyrus Malus (Apple) Fruit Extract (Skin conditioning agent), Hydrogenated Lecithin (Skin conditioning agent), Polyglyceryl-6 polyricinoleate (Emollient), Mannitol (Skin conditioning agent), Sodium Hydroxide (Solvent), Acrylates/C10-30 Alkyl Acrylate Crosspolymer (Viscosity controlling agent), Xanthan Gum (Emulsion stabilizer), Glutathione (Antioxidant), Ergothioneine (Antioxidant), Oryza Sativa (Rice) Bran Extract (Skin conditioning agent), Hydroethyl Acrylate/Sodium Acryloylmethyl Taurate Copolymer (Dispersing agent), Cetyl Alcohol (Emulsion stabilizer), Caprylyl Glycol (Skin conditioning agent), Lysine Carboxymethyl Cysteinate (Skin conditioning agent), Coco-Caprylate/Caprate (Skin conditioning agent), Tocopherol (Skin conditioning agent), Sodium Citrate (pH adjuster), Sodium Phytate (Chelating agent), Hexylene Glycol (Emulsifier), Ethylhexylglycerin (Skin conditioning agent), Helianthus Annuus (Sunflower) Extract (Emollient), Urea (Humectant), Caprylic/Capric Triglyceride (Skin conditioning agent), Sodium PCA (Skin conditioning agent), Rosmarinus Officinalis (Rosemary) Leaf Extract (Skin conditioning agent), Polysorbate 60 (Surfactant), Sorbitan Isostearate (Surfactant), Trehalose (Humectant), Ascorbic Acid (Skin conditioning agent), Glucose (Solvent), Vanilla Planifolia Fruit Extract (Skin conditioning agent), Polyquaternium-51 (Humectant), Triacetin (Solvent), Sodium Hyaluronate (Skin conditioning agent), Phenoxyethanol (Preservative)

For those using B12 for general wellness, the effects can be more graduala steady feeling of being more energized and focused over time