# Changes in Women’s Facial Skin Color over the Ovulatory Cycle are Not Detectable by the Human Visual System

> Research article (PLoS ONE, 2015) · cited 56× · AI/ML

**Wikidata**: [openalex:W2152562360](https://www.wikidata.org/wiki/openalex:W2152562360)  
**Source**: https://4ort.xyz/entity/changes-in-womens-facial-skin-color-over-the-ovulatory-cycle-are-not-detectable-by-the-human-visual-system