DSIP appears to affect sleep depth and quality rather than timing
Mild injectionsite reactions (redness, itching, transient discomfort) are the most common side effects reported in clinical trials [4] [6]
At 0.2 mg per unit, 25 units = 5 mg

Im not sure in Panthenol is safe (Ive seen it in some of my sheet masks so Ive been avoiding it) Aqua/Water/Eau, Glycerin, Dicaprylyl Carbonate, Propanediol, Caprylic/Capric Triglyceride, 3-O-Ethyl Ascorbic Acid, Glycereth-26, Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer, Hydrolyzed Jojoba Esters, Cetearyl Alcohol, Polyacrylate Crosspolymer-6, Hydroxyacetophenone, Panthenol, Polyglyceryl-3 Methylglucose Distearate, Tetrahexyldecyl Ascorbate, Linoleic Acid, Citric Acid, Phenoxyethanol, Parfum/Fragrance, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Xanthan Gum, Cetearyl Glucoside, Linolenic Acid, Citrus Aurantium Dulcis (Orange) Fruit Extract, Citrus Limon (Lemon) Fruit Extract, Hippophae Rhamnoides Extract, Lycium Barbarum Fruit Extract, Rosa Canina Fruit Extract, Ethylhexylglycerin, Leuconostoc/Radish Root Ferment Filtrate, Sodium Citrate, Camellia Japonica Flower Extract, Aroma/Flavor, Sodium Hyaluronate, Sodium Polyacrylate, Sodium Phytate, Hyaluronic Acid, Vegetable Collagen, Ascorbic Acid, Tocopherol, Yellow 6 (CI 15985), Yellow 5 (CI 19140), Citral, Limonene, Linalool, Benzyl Alcohol

(3) Zhang C, Xie Y, Chen H, Lv L, Yao J, Zhang M, Xia K, Feng X, Li Y, Liang X, Sun X, Deng C, Liu G