One injection maintains elevated GH for a week
Most of the studies with Ceramide AP test it as part of a multi-ceramide complex

Galactomyces Ferment Filtrate, Glycerin, Cetyl Ethylhexanoate, Propanediol, Dicaprylyl Carbonate, 1,2-Hexanediol, Betaine, Cetearyl Alcohol, Polyglyceryl-10 Laurate, Methyl Trimethicone, Silica, Cetearyl Olivate, Panthenol, Phenyl Trimethicone, Potassium Cetyl Phosphate, Water, Sorbitan Olivate, Bisabolol, Ammonium Polyacryloyldimethyl Taurate, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Dipropylene Glycol, Squalane, Laminaria Japonica Extract, Eclipta Prostrata Leaf Extract, 3-O-Ethyl Ascorbic Acid, Glutathione, Ethylhexylglycerin, Fragrance, Lavandula Angustifolia (Lavender) Oil, Coptis Japonica Root Extract, Xanthan Gum, Butylene Glycol, Adenosine, Fructooligosaccharides, Sorbitan Isostearate, T-Butyl Alcohol, Hydrogenated Lecithin, Beta-Glucan, Hydrolyzed Hyaluronic Acid, Ascorbic Acid, Tocopherol, Allantoin, Ceramide Np, Oryza Sativa (Rice) Bran Oil, Oryza Sativa (Rice) Bran Extract, Glyceryl Stearate, Phytosphingosine, Cholesterol, Ceramide Ap, Ceramide As, Ceramide Ns, Caprylyl Glycol, Ceramide Ng, Ceramide Eop, Linalool, Limonene

Gives you a practical framework to evaluate any stack you see online
The conversation covers Tomlinson's navigation of personal challenges, including the loss of his mother and sister, his transition from boy band member to solo artist, and his approach to fatherhood
But those processes need the right environment to function optimally