Plant callus is a mass of undifferentiated plant cells. Plant callus can be re-differentiated into the specialized tissues of a whole plant, with the addition of suitable growth regulators. This ability is known as “totipotency”. In this aspect the plant callus can be called as plant stem cell similar to human stem cell. The Lotus Callus Stem Cell Extract contains tannin ingredients gives pleasant strains by converging oily skin with loose pores, controls excessive sebum secretion, absorbs sebum, and maintains a tidy, clean skin condition.

植物愈伤组织是大量未分化的植物细胞。植物愈伤组织可以通过添加合适的生长调节剂而重新分化为整株植物的特化组织。这种能力被称为“全能性”。在这方面，植物愈伤组织可以称为与人类干细胞相似的植物干细胞。莲花愈伤组织干细胞萃取物含有单宁成分，通过将油性皮肤与松散的毛孔汇合，控制皮脂分泌过多，吸收皮脂，保持干净整洁的皮肤状态，令肌肤愉悦。