HAIR CARE 69
such as straightening or curling irons, its protection is a growing consumer request. In particular, environmental stress raises concerns since global urban population is expected to grow approximately 1.63% per year between 2020 and 2025, and 1.44% per year between 2025 and 2030 (Global Health Observatory (GHO) data).19 While skin owns multiple intrinsic
mechanisms of protection, hair melanin is often not enough to ensure the right protection of cuticle and cortex. Therefore, it is important to supply hair with ingredients able to protect it and maintain its wellbeing. Of course, hair requires a blend of
cosmetic ingredients, film-formers, UV filters and antioxidants. Among these latter, natural and sustainable solutions can fit perfectly with consumers’ demand. Olea-HT 10 has demonstrated to be an
effective ingredient to counteract oxidative stress from the afore-mentioned threats, strengthening the antioxidant defences, reducing oxidative irreversible damage (carbonylation) of hair proteins and protecting hair shaft. It is a versatile ingredient that can be
added to several kind of hair care products (shampoos, conditioners, masks, serums, sprays) and it is particularly suitable for clean and eco-conscious formulations. PC
References 1
https://www.who.int/health-topics/air-
pollution#tab=tab_1
2 Soeur J, Belaïdi JP, Chollet C, et al. Photo- pollution stress in skin: Traces of pollutants (PAH and particulate matter) impair redox homeostasis in keratinocytes exposed to UVA, Journal of Dermatological Science 2017; 86: 162–169
3 Rinaldi F. Pollution, scalp and hair transplant. Hair Transplant Forum Int 2008; 18: 227
4 Misery L, et al. Sensitive scalp: does this condition exist? An epidemiological study, Contact Dermatitis 2008; 58: 234–238
5 Bahta AW, Farjo N, Farjo B, Philpott MP. Premature Senescence of Balding Dermal Papilla Cells In Vitro Is Associated with p16INK4a Expression, Journal of Investigative Dermatology 2008; 128: 1088–1094
6 Trueb RM. The impact of oxidative stress on hair, International Journal of Cosmetic Science 2015; 37: (Suppl. 2), 25–30
7 Marsh JM, Iveson R, Flagler MJ, et al. Role of copper in photochemical damage to hair. Int. J. Cosmet. Sci. 2014; 36: 32–38.
8 Zhou Y, et al. The effect of various cosmetic pretreatments on protecting hair from thermal damage by hot flat ironing, J. Cosmet. Sci. 2011; 62: 265–282
9 Fuji T, et al. Effect of Heat Treatment on Human Hair Keratin Film, J. Cos. Sci. Soc. 2013; 37(3): 165-170
10 Ikuyama R. Heat damage and the prevention technology of the hair. Fragrance J. 2010; 38(11): 45–50.
11 Milczarek P, Zielinski M, Garcia ML. The mechanism and stability of thermal transitions in hair keratin. Colloid Polym. Sci. 1992; 270: 1106–1115
12 McMullen R, Jachowicz J. Thermal degradation of hair. I.Effect of curling irons. J. Cosmet. Sci. 1998; 49: 223–244
13 Mintel, Haircare ingredients that are about to start trending, August 2018
14 Visioli F, et al. Free radical-scavenging properties of olive oil polyphenols, Biochem Biophys Res Commun. 1998; 9: 247(1):60-4
15 Guo W, et al. The protective effects of hydroxytyrosol against UVB-induced DNA damage in HaCaT cells, Phytother Res. 2010;24(3):352-9
16 D’Angelo S, et al. Hydroxytyrosol, a natural antioxidant from olive oil, prevents protein damage induced by long-wave ultraviolet radiation in melanoma cells, Free Radic Biol Med. 2005; 1;38(7):908-19
17 Salucci S et al., Antioxidants in the prevention of UVB-induced keratynocyte apoptosis, J Photochem Photobiol B. 2014;141:1-9
18 Salucci S, et al. Tyrosol prevents apoptosis in irradiated keratinocytes, J Dermatol Sci. 2015;80(1):61-8
19 WHO, Global Health Observatory (GHO) data
SENSOCEL®
stab
Natural gelling agent Smooth skin feel Cosmos approved
Rossow FRANCE
Tel: +33 (0)9 70 80 87 87
contact@rossow.fr www.rossow.fr
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September 2020
PERSONAL CARE EUROPE
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