The free radical scavenging activity was calculated using the formula: Scavenging activity (%) = [(A C -A S )/A C ] 100 where, A C = absorbance of methanolic DPPH and A S = absorbance of sample Estimation of total phenolic content Total phenolic content (TPC) was estimated by mixing 150 L methanolic extract with 25% Folin-Ciocalteus phenol reagent (Fischer Scientific, Mumbai, India)
It is a tripeptide as it is made up of three amino acids: glutamine (the bodys most abundant amino acid), glycine (the smallest amino acid), and cysteine (a sulfur-bearing amino acid)
Prolonged use of certain creams (e.g., hydroquinone) can be harmful
They are particularly popular among: Individuals with uneven skin tone People with hyperpigmentation or dark spots Those exposed to high sun exposure Individuals looking for a safe, non-surgical skin whitening solution However, a professional consultation is recommended to assess suitability, dosage, and frequency for optimal results
Consistency matters, too
Zinc PCA regulates oil production 4