LRB PhytoStem© Serum 蘊含高濃度植物幹細胞精華，採用先進幹細胞科技從瑞士黃金蘋果中提取活性成分，能有效激活肌膚細胞再生機制，促進膠原蛋白及彈性蛋白合成。配方深入肌膚底層修復受損細胞，從根源改善衰老跡象。輕盈水感精華質地清爽不黏膩，能迅速被肌膚吸收。持續使用可明顯提升肌膚緊緻度、彈性及光澤度，令膚質更細緻年輕。適合所有關注細胞修復及抗衰老的肌膚，建議配合同系列面霜使用以達致最佳效果。

LRB PhytoStem© Serum contains high-concentration plant stem cell essence utilizing advanced stem cell technology to extract active ingredients from Swiss Golden Apple, effectively activating the skin's cellular regeneration mechanism and promoting collagen and elastin synthesis. The formula penetrates deep to repair damaged cells, fundamentally improving signs of aging. The lightweight, watery essence texture is refreshing and non-sticky, absorbing rapidly. Continued use visibly improves skin firmness, elasticity, and radiance for a more refined, youthful complexion. Suitable for all skin concerned with cell repair and anti-aging; best results when combined with the series cream.