NATURALS Gloss / Shine Afterfeel
9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0
Slipperiness Brontide ■
Propanediol ■ Glycerin ■
Rub-out Stickiness Spreadability
9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0
89 Brontide ■
Propanediol ■ Glycerin ■
Appearance Figure 3: Positive attribute performance dimensions
sticky consistency. The natural ingredient was also comparable with the other diol and triol in the attribute categories of residue, after-feel and rub-out. The study determined absorbency by the number of rubs it takes before a product loses wetness and forms a resistance to skin absorption. Each of the diols and triols were comparable when tested. The natural butylene glycol ingredient required 61 rubs, propanediol needed 56 and glycerin needed 62 (Figure 5). While natural butylene glycol ranked below
glycerin and propanediol in the appearance/ integrity of shape categories, further research has indicated this hand cream formulation attribute could be improved with the addition of rheology additives or waxes. The results of the study revealed the natural
butylene glycol ingredient can be used to improve the user experience of skin and hand creams, allowing for formulations to be marketed at higher-end, more luxurious price points.
Residue Figure 4: Negative attribute performance dimensions
A viable and sustainable alternative Greenwashing risks continue to confuse consumers about the sustainability performance of an ingredient. To aid marketers with this challenge, Genomatica conducted a cradle-to-gate life cycle assessment (LCA) to compare its fermentation process for natural butylene glycol with the traditional petrochemical process that converts acetaldehyde to synthetic 1,3 butylene glycol. The assessment results confirmed the
natural butylene glycol ingredient produces an estimated 50% less carbon dioxide for every kilogram of butylene glycol produced. With the increasing consumer demand for
more sustainable beauty products, popular brands are incorporating the natural butylene glycol ingredient into their formulations. The ingredient’s proven success as a diluent, enhancing fragrance organoleptic performance, potentially eliminates the need for additional ingredients to achieve the desired outcome.
Brontide ■ Propanediol ■ Glycerin ■
70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0
Figure 5: Number of rubs needed until the product loses wetness and resistance is shown
www.personalcaremagazine.com Similarly, it has proven its worth in multiple
sensory evaluations, reinforcing its value as a seamless replacement for other synthetic and natural diols. Finally, the solvent’s microbial attributes make it a practical solution for a wide range of cosmetics and personal care products.
Conclusion Today, there are many applications within the beauty field and beyond that are being explored to meet the ever-evolving needs and demands of consumers. Genomatica’s natural butylene glycol has the potential to reduce global greenhouse gases by nearly 100,000 tons of carbon dioxide equivalent and eliminate the use of 50,000 tons of acetaldehyde annually. Given its benefits and ability to replace
fossil-based ingredients with a more sustainable solution, the natural butylene glycol is on course to be used in more and more products in the years to come.
PC
References 1. Alexander Kunst. Skin care: Preference for natural/organic products by age U.S. 2017 [Internet]. Statista. 2019.
https://www.statista. com/statistics/714344/skin-care-natural- organic-product-consumer-preference-by- age-group-us/#:~:text=Almost%2070%20 percent%20of%20U.S.,30%20to%2059%20 age%20group
2. Survey: Sustainability embraced despite pandemic [Internet]. Genomatica. 2022.
https://www.genomatica.com/news- content/survey-sustainability-embraced- despite-pandemic
3. Bashir A, Lambert P. Microbiological study of used cosmetic products: highlighting possible impact on consumer health. Journal of Applied Microbiology. 2019 Oct 28;128(2):598–605
4. Kim HW, Seok YS, Cho TJ, Rhee MS. Risk factors influencing contamination of customized cosmetics made on-the-spot: Evidence from the national pilot project for public health. Scientific Reports. 2020 Jan 31;10(1)
March 2023 PERSONAL CARE
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