What it is
Tuber magnatum extract is derived from the white truffle, an edible fungus, and is added to cosmetics as a conditioning botanical. It naturally contains amino acids, polysaccharides, minerals, and other small molecules that can help support a soft, hydrated skin feel. It is typically used at low levels as a marketing-forward conditioning ingredient in serums, creams, and tone-up sunscreens.
Safety & warnings
Truffle extract is generally well tolerated at cosmetic use levels. As with any botanical extract, sensitive or allergy-prone individuals should be aware that plant- and fungus-derived materials can occasionally cause reactions.
Origin & sourcing
Natural extract obtained from the white truffle fungus (Tuber magnatum).
Questions everyone asks
What is tuber magnatum extract?
It is an extract of the white truffle fungus, used as a skin-conditioning botanical that adds amino acids and polysaccharides to a formula.
Why is truffle extract added to sunscreen?
It is included mainly as a conditioning and hydrating botanical to support a soft skin feel, often as a premium-positioning ingredient.