Lupinus Albus Seed Extract

Lupinus Albus (white lupin) seed extract is used mainly for conditioning/soothing and anti-aging claims at low concentrations, and it is not inherently caustic like acids or retinoids. However, as a legume-derived botanical containing proteins, it carries a non-trivial risk of irritation or sensitization in reactive skin and in individuals with atopic disease or legume allergy, with patch-test reactions reported for some plant extracts in this category. Given the possibility of delayed hypersensitivity despite “gentle” marketing, I rate it as mild irritancy to prioritize patient safety. Safety Notes: In commercial skincare, Lupinus Albus (white lupin) seed extract is most often supplied as a diluted glycerin/propylene glycol/water botanical extract or as a peptide-rich active, and it commonly appears at very low levels (around 0.01–0.1%) in mass-market moisturizers/serums where it supports marketing claims without materially impacting formula aesthetics or cost. More performance-positioned leave-on products (firming/anti-aging serums and eye creams) frequently use it around 0.5–2%, with the upper end (~3%) seen in high-strength consumer formulations that use the extract as a hero active; rinse-off products typically sit at the low end due to short contact time. No specific EU/FDA maximum applies for this botanical extract, so practical limits are driven by supplier recommended use levels, stability, odor/color, and potential sensitization risk at higher loads.