1. Willis J, Todorov A. First impressions: Making up your mind after a 100-ms exposure to a face. Psychol Sci. 2006;17(7):592-8.10.1111/j.1467-9280.2006.01750.x16866745
2. Christensen K, Thinggaard M, McGue M, Rexbye H, Hjelmborg JVB, Aviv A, et al. Perceived age as clinically useful biomarker of ageing: Cohort study. BMJ. 2009;339(7735):1433.10.1136/bmj.b5262279267520008378
4. Uotinen V, Rantanen T, Suutama T. Perceived age as a predictor of old age mortality: A 13-year prospective study. Age Ageing. 2005;34(4):368-72.10.1093/ageing/afi09115899910
5. Christoffersen M, Tybjærg-Hansen A. Visible aging signs as risk markers for ischemic heart disease: Epidemiology, pathogenesis and clinical implications. Ageing Research Reviews. 2016;25:24-41.10.1016/j.arr.2015.11.00226590331
6. Nielsen BR, Linneberg A, Christensen K, Schwarz P. Perceived age is associated with bone status in women aged 25-93 years. Age (Omaha). 2015;37(6):106.10.1007/s11357-015-9842-5500584426486892
10. Chistiakov DA, Sobenin IA, Revin V V, Orekhov AN, Bobryshev Y V. Mitochondrial aging and age-related dysfunction of mitochondria. BioMed Res Int. 2014;2014:238463.10.1155/2014/238463400383224818134
13. Fink B, Grammer K, Matts PJ. Visible skin color distribution plays a role in the perception of age, attractiveness, and health in female faces. Evol Hum Behav. 2006;27(6):433-42.10.1016/j.evolhumbehav.2006.08.007
14. Fink B, Butovskaya M, Sorokowski P, Sorokowska A, Matts PJ. Visual perception of British Women’s skin color distribution in two nonindustrialized societies, the Maasai and the Tsimane. Evol Psychol. 2017;15(3):1-4.10.1177/1474704917718957
15. Porcheron A, Mauger E, Soppelsa F, Liu Y, Ge L, Pascalis O, et al. Facial contrast is a cross-cultural cue for perceiving age. Front Physiol. 2017;8:1208.10.3389/fpsyg.2017.01208
16. Wang JJ, Jakobsen K, Smith W, Mitchell P. Five-year incidence of age-related maculopathy in relation to iris, skin or hair colour, and skin sun sensitivity: The Blue Mountains Eye Study. Clin Exp Ophthalmol. 2003;31(4):317-21.10.1046/j.1442-9071.2003.00659.x
17. Dalli D, Ogce F, Okcin FA. Knowledge of the effects of sun exposure of Turkish high school students and their sun bathing habits. Asian Pacific J cancer Prev APJCP. 2004;5(4):366-9.
19. Bataille V, Snieder H, MacGregor AJ, Sasieni P, Spector TD. Genetics of risk factors for melanoma: An adult twin study of nevi and freckles. J Natl Cancer Inst. 2000;92(6):457-63.10.1093/jnci/92.6.457
20. Ebanks JP, Wickett RR, Boissy RE. Mechanisms regulating skin pigmentation: The rise and fall of complexion coloration. Int Journal of Mol Sci. 2009;10:4066-87.10.3390/ijms10094066
23. Jones BC, Hahn AC, Fisher CI, Wincenciak J, Kandrik M, Roberts SC, et al. Facial coloration tracks changes in women’s estradiol. Psychoneuroendocrinology. 2015;56:29-34.10.1016/j.psyneuen.2015.02.021
25. Gunn DA, Rexbye H, Griffiths CEM, Murray PG, Fereday A, Catt SD, et al. Why some women look young for their age. PLoS One. 2009;4(12):8021.10.1371/journal.pone.0008021277944919956599
26. Nkengne A, Bertin C, Stamatas GN, Giron A, Rossi A, Issachar N, et al. Influence of facial skin attributes on the perceived age of Caucasian women. J Eur Acad Dermatology Venereol. 2008;22(8): 982-91.10.1111/j.1468-3083.2008.02698.x18540981
29. Voelkle MC, Ebner NC, Lindenberger U, Riediger M. Let me guess how old you are: Effects of age, gender, and facial expression on perceptions of age. Psychol Aging. 2012;27(2):265-77.10.1037/a002506521895379
30. Hass NC, Weston TD, Lim SL. Be happy not sad for your youth: The effect of emotional expression on age perception. PLoS One. 2016;11(3):0152093.10.1371/journal.pone.0152093481413027028300
31. Jones BC, Debruine LM, Little AC, Conway CA, Feinberg DR. Integrating gaze direction and expression in preferences for attractive faces. Psychological Science. 2006;17:588-91.10.1111/j.1467-9280.2006.01749.x16866744
33. Marsh AA, Adams RB, Kleck RE. Why do fear and anger look the way they do? Form and social function in facial expressions. Personal Soc Psychol Bull. 2005;31(1):73-86.10.1177/014616720427130615574663
35. Weston TD, Hass NC, Lim SL. The Effect of Sad Facial Expressions on Weight Judgment. Front Psychol. 2015;6(MAR):417.10.3389/fpsyg.2015.00417439229525914669
37. Wong BJF, Karimi K, Devcic Z, McLaren CE, Chen WP. Evolving attractive faces using morphing technology and a genetic algorithm: A new approach to determining ideal facial aesthetics. Laryngoscope. 2008;118(6):962-74.10.1097/MLG.0b013e31816bf545378667718401273
38. Popenko NA, Tripathi PB, Devcic Z, Karimi K, Osann K, Wong BJF. A quantitative approach to determining the ideal female lip aesthetic and its effect on facial attractiveness. JAMA Facial Plast Surg. 2017;19(4):261-26710.1001/jamafacial.2016.2049554333428208179
39. Gosain AK, Amarante MTJ, Hyde JS, Yousif NJ. A dynamic analysis of changes in the nasolabial fold using magnetic resonance imaging: Implications for facial rejuvenation and facial animation surgery. Plast Reconstr Surg. 1996;98(4):622-36.10.1097/00006534-199609001-000058773684
40. Vierkotter A, Schikowski T, Ranft U, Sugiri D, Matsui M, Kramer U, et al. Airborne particle exposure and extrinsic skin aging. J Invest Dermatol. 2010;130(12):2719-26.10.1038/jid.2010.20420664556
41. Commo S, Gaillard O, Bernard BA. Human hair greying is linked to a specific depletion of hair follicle melanocytes affecting both the bulb and the outer root sheath. Br J Dermatol. 2004; 150(3):435-43.10.1046/j.1365-2133.2004.05787.x15030325
42. Kyle DJ. The effects of hair color and cosmeticue on perceptions of a female’s ability. Psychol Women Q. 1996;20(3):447-55.10.1111/j.1471-6402.1996.tb00311.x
43. Bulpitt CJ, Markowe HLJ, Shipley MJ. Why do some people look older than they should? Postgrad Med J. 2001;77(911):578-81.10.1136/pmj.77.911.578175788811524516
44. Fink B, Liebner K, Müller A-K, Hirn T, McKelvey G, Lankhof J. Hair Color and Skin Color Together Influence Perceptions of Age, Health, and Attractiveness in Lightly-Pigmented, Young Women. Int J Cosmet Sci. 2018;40:303-1210.1111/ics.1246729772598
46. Sabharwal R, Sargaiyan V, Subudhi S, Gupta S, Mahendra A, Moon N, et al. Association between use of tobacco and age on graying of hair. Niger J Surg. 2014;20(2):83.10.4103/1117-6806.137308414145125191099
57. Mirmirani P. Hormonal changes in menopause: Do they contribute to a “midlife hair crisis” in women? British Journal of Dermatology. 2011;165:7-11.10.1111/j.1365-2133.2011.10629.x
58. Batchelor D. Hair and cancer chemotherapy: consequences and nursing care-a literature study. Eur J Cancer Care (Engl). 2001;10(3):147-6310.1046/j.1365-2354.2001.00272.x
59. Castelo-Branco C, Figueras F, de Osaba MJM, Vanrell JA. Facial wrinkling in postmenopausal women. Effects of smoking status and hormone replacement therapy. Maturitas. 1998;29(1):75-86.10.1016/S0378-5122(97)00087-X
60. Rexbye H, Petersen I, Johansen M, Klitkou L, Jeune B, Christensen K. Influence of environmental factors on facial ageing. Age Ageing. 2006;35(2):110-5.10.1093/ageing/afj03116407433
63. Yaar M, Eller MS, Gilchrest BA. Fifty years of skin aging. J. Investig. Dermatol. Symp. Proc. 2002;7(1);51-8.10.1046/j.1523-1747.2002.19636.x12518793
64. Darvin ME, Haag S, Meinke M, Zastrow L, Sterry W, Lademann J. Radical production by infrared A irradiation in human tissue. Skin Pharmacol Physiol. 2010; 23(1):40-610.1159/00025726220090407
65. Hamer MA, Pardo LM, Jacobs LC, Ikram MA, Laven JS, Kayser M, et al. Lifestyle and Physiological Factors Associated with Facial Wrinkling in Men and Women. J Invest Dermatol. 2017;137(8):1692-9.10.1016/j.jid.2017.04.00228392345
66. Mayes AE, Murray PG, Gunn DA, Tomlin CC, Catt SD, Wen YB, et al. Environmental and lifestyle factors associated with perceived facial age in Chinese women. PLoS One. 2010;5(12):15270.10.1371/journal.pone.0015270300148821179450
67. Ng TP, Broekman BFP, Niti M, Gwee X, Kua EH. Determinants of successful aging using a multidimensional definition among chinese elderly in singapore. Am J Geriatr Psychiatry. 2009;17(5):407-1610.1097/JGP.0b013e31819a808e19390298
68. Sakata N, Meng J, Jimi S, Takebayashi S. Nonenzymatic glycation and extractability of collagen in human atherosclerotic plaques. Atherosclerosis. 1995;116(1):63-7510.1016/0021-9150(95)05526-3
70. Dearlove RP, Greenspan P, Hartle DK, Swanson RB, Hargrove JL. Inhibition of protein glycation by extracts of culinary herbs and spices. J Med Food. 2008;11(2):275-81.10.1089/jmf.2007.53618598169
72. Tarwadi K V, Agte V V. Effect of micronutrients on methylglyoxal-mediated in vitro glycation of albumin. Biol Trace Elem Res. 2011; 143(2):717-25.10.1007/s12011-010-8915-721165710
73. Darvin ME, Sterry W, Lademann J, Patzelt A. Alcohol consumption decreases the protection efficiency of the antioxidant network and increases the risk of sunburn in human skin. Skin Pharmacol Physiol. 2012;26(1):45-51.10.1159/00034390823147451
74. Saladi RN, Nektalova T, Fox JL. Induction of skin carcinogenicity by alcohol and ultraviolet light. Clin Exp Dermatol. 2010;35:7-1110.1111/j.1365-2230.2009.03465.x19778305
77. Hawkins S, Subramanyan K. Cleansing, moisturizing, and sun-protection regimens for normal skin, self-perceived sensitive skin, and dermatologist-assessed sensitive skin. Dermatol Ther. 2004;1: 63-8.10.1111/j.1396-0296.2004.04S1008.x
78. Krutmann J, Liu W, Li L, Pan X, Crawford M, Sore G, et al. Pollution and skin: From epidemiological and mechanistic studies to clinical implications. Journal of Dermatological Science. 2014;76:163-8.10.1016/j.jdermsci.2014.08.00825278222
79. Ayyagari VN, Januszkiewicz A, Nath J. Effects of nitrogen dioxide on the expression of intercellular adhesion molecule-1, neutrophil adhesion, and cytotoxicity: Studies in human bronchial epithelial cells. Inhal Toxicol. 2007;19(2):181-94.10.1080/0895837060105212117169865
80. Pan TL, Wang PW, Aljuffali IA, Hung YY, Lin CF, Fang JY. Dermal toxicity elicited by phthalates: Evaluation of skin absorption, immunohistology, and functional proteomics. Food Chem Toxicol. 2014;65:105-14.10.1016/j.fct.2013.12.03324384410
81. Mancebo SE, Wang SQ. Recognizing the impact of ambient air pollution on skin health. Journal of the European Academy of Dermatology and Venereology. 2015;29:2326-32.10.1111/jdv.13250591678826289769
84. Dunn J, Koo J. Psychological Stress and skin aging: a review of possible mechanisms and potential therapies. Dermatol Online J. 2013;19(6):1-19.10.5070/D3196018561
85. Chung HY, Sung B, Jung KJ, Zou Y, Yu BP. The Molecular Inflammatory Process in Aging. Antioxid Redox Signal. 2006; 8(3-4): 572-81.10.1089/ars.2006.8.57216677101
86. Lu T, Pan Y, Kao SY, Li C, Kohane I, Chan J, et al. Gene regulation and DNA damage in the ageing human brain. Nature. 2004; 429(6994): 883-91.10.1038/nature0266115190254
90. Makrantonaki E, Zouboulis CC. William J. Cunliffe Scientific Awards. Characteristics and pathomechanisms of endogenously aged skin. Dermatology. 2007;214(4):352-60.10.1159/00010089017460411
91. Beisswenger PJ, Howell S, Mackenzie T, Corstjens H, Muizzuddin N, Matsui MS. Two fluorescent wavelengths, 440(ex)/520(em) nm and 370(ex)/440(em) nm, reflect advanced glycation and oxidation end products in human skin without diabetes. Diabetes Technol Ther. 2012; 4(3):285-9210.1089/dia.2011.010822023375
94. Kohen R, Nyska A. Oxidation of biological systems: Oxidative stress phenomena, antioxidants, redox reactions, and methods for their quantification. Toxicologic Pathology. 2002;30:620-50.10.1080/0192623029016672412512863
96. Lephart ED. Skin aging and oxidative stress: Equol’s anti-aging effects via biochemical and molecular mechanisms. Ageing Research Reviews. 2016;31:36-54.10.1016/j.arr.2016.08.00127521253
97. Etcoff NL, Stock S, Haley LE, Vickery SA, House DM. Cosmetics as a feature of the extended human phenotype: Modulation of the perception of biologically important facial signals. PLoS One. 2011; 6(10):25656.10.1371/journal.pone.0025656318501721991328
98. Huguet P, Croizet JC, Richetin J. Is “what has been cared for” necessarily good? Further evidence for the negative impact of cosmetics use on impression formation. J Appl Soc Psychol. 2004; 34(8);1752-71.10.1111/j.1559-1816.2004.tb02796.x