7 Helpful Tips for Buying Organic Soap in Singapore To buy organic soap in Singapore, look for certified products made with 100 percent natural and organic ingredients. Choose the right type of soap and consider the scent and packaging, as well as the price and online reviews. This will help you make an informed decision to find the best organic soap that is gentle on your skin and the environment. In Singapore, you can visit any organic store that offers a wide range of high-quality and certified organic soap.