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It can prevent gastrointestinal breakdown as well as first-pass or pre-systemic metabolism, in which the drug's dosage is drastically decreased before it even reaches systemic circulation

Handling and Storage Recommendations Keep sealed and stored at -20C , protected from light exposure

Though you shouldnt expect an improvement for hooded eyes where the excess skin in the eyelid is the primary cause (because that tends to be due to loss of volume in the eyelid and loss of elasticity in that eyelid skin, which cannot be influenced too much by an area so far away as the temples)

Snap-8 is a synthetic acetylated octapeptide (8 amino acids, SNARE complex-targeting sequence)