challenges
For Business
Who We Are
Results
search
Get Started
I want to launch a challenge
Connect to talented problem solvers
I want to solve a challenge
Join our community to win prizes
log in
menu
log in
challenges
For Business
Who We Are
Results
Submission
Steven Wu
submission voting
voting is closed.
introduction
title
Use solid perfume instead of spray!
short description
By choosing and using solid perfumes in your everyday life, you can help reduce chemical vapor emissions and enjoy scents which stay longer.
comments
(public)
