Skin aging is one of most visible ageing process which occurs constantly in our skin organ. According to the Clinical Centre of Nis, certain plant extracts may have the ability to scavenge free radicals, to protect the skin matrix through the inhibition of enzymatic degradation, or to promote collagen synthesis in the skin, affect skin elasticity and tightness(a). Other suggested that free radicals induced domino effects in production of reactive oxygen species, can react with DNA, proteins, and fatty acids, causing oxidative damage and impairment of antioxidant system, leading injuries damage regulation pathways of skin, including wrinkles, roughness, appearance of fine lines, lack of elasticity, and de- or hyperpigmentation marks(b).
The degradation of the epidermal and dermal layers of the extracellular matrix (ECM), the non-cellular component present within all tissues and organs, such as UV Exposure, decline of lysosomal/endosomal cathepsin K, S and V activity(c) as well as environment factors such as irregular dryness, dark/light pigmentation, sallowness, severe atrophy, telangiectases, premalignant lesions, laxity, leathery appearance and deep wrinkling, etc., cause modification of the surface of skin and the physical properties of that lead to skin aging. Certain foods have been found to be effective in protect the skin against natural aging, including green tea and garlic.
Olive is belongs to the the family Oleaceae, native to the coastal areas of the eastern Mediterranean Basin and south end of the Caspian Sea. Its fruit, is also called the olive and the source of olive oil.
Unsaturated fatty acid (PUFA) found abundantly in olive oil may be effective in alleviation of skin problems such as dryness and those related to the aging process. The Università degli Studi di Torino study showed the use of combination of hemp seed and olive oils may inhibit the problem through spraying in some gel-emulsions(29). According to the Procter & Gamble Company, olive-derived fatty acid ethoxylates, not only showed to restore antioxidant enzymes in skin keratinocytes and fibroblasts, but also reduced melanin production by an adrenergic receptor mechanism in melanocytes(30).
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(a) Skin ageing: natural weapons and strategies by Binic I1, Lazarevic V, Ljubenovic M, Mojsa J, Sokolovic D.(PubMed)
(b) Phytoconstituents as photoprotective novel cosmetic formulations by Saraf S1, Kaur CD.(PubMed)
(c) Differential expression of cathepsins K, S and V between young and aged Caucasian women skin epidermis by Sage J1, De Quéral D2, Leblanc-Noblesse E2, Kurfurst R2, Schnebert S2, Perrier E2, Nizard C2, Lalmanach G3, Lecaille F4.(PubMed)
(29) Hemp-seed and olive oils: their stability against oxidation and use in O/W emulsions.
Sapino S1, Carlotti ME, Peira E, Gallarate M(PubMed)
(30) Application of genomics to breakthroughs in the cosmetic treatment of skin ageing and discoloration by Osborne R1, Hakozaki T, Laughlin T, Finlay DR.(PubMed)