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If you're comparing a single spray versus a kit, the bundle makes more sense only if you already know you want a multi-product routine
The protonation states of titratable residues (histidine, glutamic acid and aspartic acid) were assigned at experimental pH using PROPKA3 42,43
There is a peptide your body makes on its own that orchestrates wound healing, stimulates the production of collagen and elastin, remodels damaged tissue, and activates antioxidant defenses throughout the skin
As we age, our bodies naturally produce less glutathione, which is why many people find that their levels begin to dip after the age of 40
While not hair-specific, their systemic regenerative effects may support overall follicle health, particularly following scalp trauma or procedures