to find out what LBR is considered the most attractive. International Journal of Primatology. Marlowe F, Apicella C, Reed D (November 2005). Penton-Voak IS, Perrett DI (January 2000). "Human (Homo sapiens) facial attractiveness in relation to skin texture and color". 225 226 Fertility-driven attractiveness edit There are some subtle changes in women's perceived attractiveness across the menstrual cycle.