✨ Why Choose NASHUDA SP-8 Toothpaste? ? Dual-Action Formula | Visible Brightening in 14 Days | Enamel-Safe Whitening Designed for those who crave dramatic whitening without compromising tooth sensitivity! SP-8 combines patented probiotics (Lacticaseibacillus Paracasei) with nano-hydroxyapatite to gently dissolve coffee, tea, and tobacco stains while balancing oral microbiome, reducing plaque buildup at its source — no harsh chemicals or peroxide!