Amy Nguyen Jan 09 BBYanni: The Ultimate Truth Serum - OpenSIPS Trunking Solutions Overview Like tns essential serum® and tns® advanced+ but better, bigger, cheaper! Truology ultimate skin bundle. $424. 50 $566. 00 (you save $141. 50 ) (no reviews. Water, tetrahexyldecyl ascorbate, squalane, glycerin,.