Crest 3D white proffesional effects whitestrips ✓ 100% Original from USA (bukan dari asia) ✓Exp date bisa ditanyakan via chat karena selalu berubah2 setiap barang datang ✓Kemasan sachet (HARGA PER SACHET YA) (1 sachet untuk sekali pemakaian.. 1 sachet isi 2 strips utk gigi atas dan gigi bawah) ✓Untuk pembelian sachet exp date tidak ada di sachetnya.. Karena exp date tercetak di dusnya.. (Untuk pembelian 1 box isi 20 sachet = 40 strip How to use: 1. PEEL Peel Crest 3d whitestrips from backing liner 2. STRETCH AND APPLY ✓Slowly strech strip to cover the number of teeth you intend to whiten, then using a mirror, apply gel side of strip on front teeth ✓Applying the strip may be more difficult if stretched to cover back teeth ✓Apply the lower strip first ✓Align straight edge of strip with gumline. Press gently with finger pads for 2-3second onto front side of teeth ✓Fold over teeth. Press gently with finger pada for 2-3 second onto back side of teeth 3.REVEAL ✓ Wear for 30 minutes , remove and discard #crest #crest3dwhite #crest3dwhitestrips #whitening #pemutihgigi #teethwhitening #crest3dwhitestrip