The Lean philosophy - less is more - gives rise to the Gac cocoon scrub. It increases the value of Gac by developing it into a facial soap, making it smaller by impregnating with golden silk cocoons which have skin care properties and does not cause dry skin. However, golden cocoons are small and inconvenient to use, so the extract of golden cocoons is mixed with Gac and coated on a larger white cocoon. The result is a better new products, easy to carry and convenient to use.