Why does the cream sometimes have a slight yellow tint?

The yellow tint is a natural result of the higher Vitamin K (phytonadione) concentration in the improved formula. Phytonadione is a yellow-toned fat-soluble compound, and at 2% concentration it can impart a subtle yellow cast to the cream. This is completely normal, expected, and indicates the active ingredient is present at an effective level. The tint typically disappears quickly upon application and does not stain skin or affect the clarity of makeup applied over it.

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William Levins

Bill Levins, a marketing professional since the early 1990s, collaborated with clients like Campbell’s Soup and PWC. In 2004, he began working with Reviva Labs, becoming VP of Marketing in January 2018 and President in June 2018. He led the company through challenges, including the founders' deaths and the COVID-19 pandemic. In June 2024, after Reviva Labs' acquisition by Sendayco LLC, Bill became VP of Marketing for Sendayco, overseeing multiple brands.