GO SMILE Sparkle & Shine Kit in Beauty: NA. GO SMILE Sparkle & Shine Kit in Beauty: NA. Perfect to take whenever you're on the go - These portable Go Smile Stain Erasers help prevent daily stains from setting into your teeth and give you a minty just brushed feeling. Because teeth are porous, food and drinks can soak deep into enamel, staining those pearly whites. Go Smile On The Go Teeth Whitening Pen penetrates to whiten inside and out. The kit comes in a portable, reusable & sustainable metal tin.. Targets concerns of tooth discoloration. Formulated without parabens, sulfates, or phthalates. Vegan and cruelty-free. Set includes: Teeth Whitening Pen (0.04 oz) and 14 Stain Eraser Ampoules. Brush a thin layer of whitening serum onto the front surfaces of your teeth, focusing on areas with darker stains and avoid gum lines. Don't eat, drink, or rinse for 20 minutes after applying it. GSMI-WU8. GSK058. Based in the San Francisco Bay Area, GO SMILE has helped whiten over 32 million smiles. They were created by a dentist and their products are known for their cutting-edge innovation, ease of use, and award-winning results. GO SMILE has revolutionized at-home and on-the-go teeth whitening by making it possible for consumers to achieve professional results without the hassle and expense of going to a dental facility. Their mission is simple: A healthier, cleaner and whiter smile for everyone.