This 5th century Roman/Syrian glass flask, which has four separate chambers, exemplifies the highest levels of sophistication in glassmaking technology, as well as the extreme attention to detail applied to meet consumer demands for “refined” and “luxurious” products. Advanced techniques employed include blown, tooled, and trailed glassmaking. As such, the flask represents the pinnacle of Syrian glassmaking, an industry whose products would be exported throughout the length of the Silk Road.
The design of the multi-chambered flask reflects a desire among elite consumers for luxury items that could also provide organizational capabilities to store multiple types of mineral-based formulas or colors in a single, beautiful piece. 1 In addition to being aesthetically pleasing, the complexity of connecting multiple glass tubes necessitated precise control over temperatures during the blowing process; therefore, they were treasured possessions among the wealthy. 2
Picture of the cosmetic flask from the Met Museum. Source
The powder-based compositions stored in these tubes were made up of extremely sophisticated mineral-based formulas with both visual and practical uses. Galena (lead sulfide), for example, was primarily used to produce deep blacks or malachite (copper carbonate) for a bright green eye cosmetic. These powdered minerals were blended with oil or plant extract to make a uniform paste suitable for use as a cosmetic. 3
Many of the other components of the formulae, including certain resinous materials and floral extracts were traded via the Silk Road from Persia and Central Asia.4
Kohl was used for more than merely aesthetic reasons; it also provided a significant medical purpose. It functioned as a natural antimicrobial agent that protected the eyes from harmful bacteria, dust and sun damage, all typical environmental hazards in arid, dusty desert trade routes.
Additionally, when properly prepared, the lead compounds in kohl increased the production of nitric oxide in the skin thereby enhancing the body’s defense mechanisms against ocular pathogens.5
The glass vessel is tied to the Silk Road due to the fact that the distribution of Syrian glass vessels followed exactly the same routes as did the luxury spices and aromatic materials they contained. 6 Archaeological finds of similar glass vessels have been found in locations as remote as Korea and elite Chinese tombs, thus illustrating that objects associated with beauty practices were part of a globalized cultural network.
Additionally, “the preparation techniques and ingredients” for eye cosmetics were shared across cultures and religious traditions. 7 Due to shared preparation techniques, women from diverse geographical regions developed standard practices for decorating their eyes, ultimately developing a widespread tradition spanning Egypt to East Asia. 8
The trailing decoration on the yellow-green glass body not only provided an aesthetic appeal but allowed the user to maintain hold of the small vessel with her fingers while she used a stylus fashioned from bronze or bone to apply her eye cosmetic. Thus this decorative style illustrates that this artifact was a daily-use item that may have been transported by its owner during long trips along trade roads. Since minerals such as antimony and specialized oils are rare and geographically localized, evidence of these ingredients within these tubes provides clear documentation of the extensive commercial exchange between the Syrian glass kilns and remote mines located in the east. The tube serves as a testament to how women’s concern for their appearance fostered innovations in glass-blowing technologies and initiated international trade in chemical raw materials.
Walter et al., “Egyptian Eye Cosmetics (‘Kohls’):Past and Present” ↩
Jones, Geoffrey. Cosmetics and Skin Care Products: A Historical Perspective ↩
McMullen, Roger L., and Giorgio Dell’Acque, “History of Natural Inredients in Cosmetics” ↩
King, Anya. “Medieval Islamicate Aromatherapy: Medical Perspectives on Aromatics and Perfumes.” The Senses and Society ↩
Walter et al., “Egyptian Eye Cosmetics (‘Kohls’):Past and Present” ↩
Jones, Geoffrey. Cosmetics and Skin Care Products: A Historical Perspective ↩
Caballero-Navas, Carmen. “The Care of Women’s Health and Beauty: An Experience Shared by Medieval Jewish and Christian Women.” Journal of Medieval History ↩
McMullen, Roger L., and Giorgio Dell’Acque, “History of Natural Inredients in Cosmetics” ↩