普通野嘅意思係好common咁解,已沿用於skincare for decades,即我唔會因為某d自家牌sell自己d products有B5, B3, HA...就會覺得好專利formula。除左pantothenic acid, HA, 仲有好多類別嘅water binding agents, anti oxidants, cell communicating factors, etc....唔同組合亦有唔同穩定性,有興趣可share d medical journals大家研究下。我對biochem有興趣所以鍾意留意skincare ingredients 。