This disclosure relates to plant extracts selected from Bacopa plant extracts, Centella plant extracts, Jatropha plant extracts, Aegle plant extracts, Terminalia plant extracts, Phyllanthus plant extracts, Spilanthes plant extracts, and mixtures thereof; compositions containing plant extracts selected from Bacopa plant extracts, Centella plant extracts, Jatropha plant extracts, Aegle plant extracts, Terminalia plant extracts, Phyllanthus plant extracts, Spilanthes plant extracts, and mixtures thereof; and to the use of these compositions in a variety of applications including, for example, cosmetic and/or pharmaceutical preparations, therapeutic preparations, and personal care preparations. A preferred Bacopa plant extract is obtained from Bacopa monniera, a preferred Centella plant extract is obtained from Centella asiatica, a preferred Jatropha plant extract is obtained from Jatropha curcas, a preferred Aegle plant extract is obtained from Aegle marmelos, a preferred Terminalia plant extract is obtained from Terminalia chebula or Terminalia bellerica, a preferred Phyllanthus plant extract is obtained from Phyllanthus emblica (Emblica officinalis), and a preferred Spilanthes plant extract is obtained from Spilanthes acmella (Acmella oleracea).