They're not FDA-approved for cosmetic tanning, which puts them in a gray area rather than a clearly regulated one
(2024) confirmed that the combination of stachyose and Lactobacillus rhamnosus GG was more effective than either stachyose or Lactobacillus rhamnosus GG alone in modulating gut barrier dysfunction induced by acute hypoxia
doi: 10.1097/MOG.0000000000000756
While certain methods employing laborious pre-column chemical derivatization combined with fluorescence or MS/MS detection can reach lower limits in the fmol/L or pmol/L range [57, 69], they usually compromise on the scope of analyzed compounds and analysis throughput

Water, Collagen Water, Octyldodecanol, Polyvinyl Alcohol, Niacinamide, Methylpropanediol, Butylene Glycol, Caprylic/Capric Triglyceride, 1,2-Hexanediol, Simmondsia Chinensis (Jojoba) Seed Oil, Polysorbate 80, Polyglyceryl-10 Oleate, Dipropylene Glycol, Titanium Dioxide, Pentaerythrityl Tetraethylhexanoate, Pullulan, Glyceryl Stearate, Peg-100 Stearate, Panthenol, Disteardimonium Hectorite, Algin, Sodium Polystyrene Sulfonate, Triethyl Citrate, Glutathione, Microcrystalline Cellulose, Ethylhexylglycerin, Sphingomonas Ferment Extract, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Cellulose Gum, Methyl Diisopropyl Propionamide, Tromethamine, Sodium Phytate, Betula Alba Bark Extract, Zea Mays (Corn) Germ Oil, Ricinus Communis (Castor) Seed Oil, Illicium Verum (Anise) Fruit/Seed Oil, Cymbopogon Citratus Leaf Oil, Paeonia Suffruticosa Root Extract, Glycerin, Milk Protein Extract, Citric Acid, Alpha-Arbutin, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Collagen Amino Acids, Kaolin, Hydrated Silica, Propanediol, Haematococcus Pluvialis Extract, Hydrogenated Lecithin, Centella Asiatica Extract, Ficus Carica (Fig) Fruit Extract, Ceramide Np
