The present invention relates to a cosmetic composition, a pharmaceutical composition, a quasi-drug composition and a food composition having an excellent skin improving effect, a fatigue reducing effect and/or a female climacteric symptom relief effect. The composition comprising a glycyl-L-leucine peptide, an L- leucine glycine peptide or all of the same or a salt thereof as an active ingredient exhibits excellent effects on skin elasticity improvement, skin moisturization, skin aging prevention, fatigue reduction, anti-inflammation, antioxidation and/or alleviation of the climacteric symptoms. The composition comprising the glycyl-L-leucine peptide, the L- leucine glycine peptide or all of the same or the salt thereof of the present invention can be used as a cosmetic raw material, a pharmaceutical ingredient, a quasi-drug raw material or a functional food raw material which are safe for the skin and have desired effects, and can be included as an indicator component or an effective ingredient.
