This mainly depends on the speed of the required discharge rate and reaction rate
Some peptides show sensitivity to benzyl alcohol at extended storage durations, though this is uncommon in mainstream research peptide chemistry
B 295 , 5981 (2003)

Is likely to have a negative effect on the skin and dry it out Can have some moisturizing properties due to its sugar content Polyglyceryl-2 isostearate/dimer dilinoleate copolymer, Helianthus annuus seed oil, Diisostearyl malate, Simmondsia chinensis seed oil, Dilinoleic acid/butanediol copolymer, Silica dimethyl silylate, Parfum, Hydrogenated polyisobutene, Olea europaea fruit oil, Benzotriazolyl dodecyl p-cresol, Prunus amygdalus dulcis seed, Tocopheryl acetate, Caprylic/capric triglyceride, Ci 15850, Unknown, Ci 45380, Ethylhexyl palmitate, Dehydroacetic acid, Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, Ci 15850, Tribehenin, Rubus idaeus seed oil, Ascorbyl glucoside, Camellia sinensis seed oil, Camellia japonica seed oil, Argania spinosa kernel oil, Macadamia integrifolia seed oil, Pyrus malus seed oil, Sorbitan isostearate, Methyl nicotinate, Blue 1 lake, Ci 42090, Glycine soja oil, Monascus extract, Lactic acid, Water, Butylene glycol, Palmitoyl tripeptide-1, Zingiber officinale root oil, Capsicum frutescens fruit extract, Pyrus malus fruit extract

Methionine is an essential amino acid the body uses to make important molecules that help protect cells and remove toxins