On finding that a farm in Vietnam was producing excess milk, a group of students from Singapore Polytechnic (SP) came up with a way to stop it going to waste and even help the farm make some cash - by turning it into soap.
Students from SP's chemical and life sciences school developed a recipe to convert cows' milk into soap during a two-week trip to Cu Chi village near Ho Chi Minh City in 2017.
Already a subscriber? Log in
Read the full story and more at $9.90/month
Get exclusive reports and insights with more than 500 subscriber-only articles every month
ST One Digital
$9.90/month
No contract
ST app access on 1 mobile device
Unlock these benefits
All subscriber-only content on ST app and straitstimes.com
Easy access any time via ST app on 1 mobile device
E-paper with 2-week archive so you won't miss out on content that matters to you