Lonicera Japonica Flower Extract

Lonicera Japonica (honeysuckle) flower extract is a botanical antioxidant/skin-conditioning extract typically used at low concentrations, but it has documented potential for contact dermatitis and can act as a fragrance-like sensitizer depending on extraction method and co-occurring aromatic constituents. In highly reactive or eczematous skin, botanicals with complex mixtures increase the risk of delayed sensitization and cumulative irritation when layered with other actives, so I treat it as a moderate-risk ingredient where patch testing is prudent. Safety Notes: In commercial skincare, Lonicera Japonica Flower Extract is often used as a minor botanical/antioxidant component or as part of preservative-support systems, with many leave-on and rinse-off products listing it at trace-to-low levels around 0.001–0.1% (especially when supplied in diluted carrier bases). Higher-end “botanical concentrate” serums, masks, and some natural deodorant/toner style products can push total use levels into the ~1–5% range when the extract is used as a primary marketing active, though this is constrained by odor/color, botanical variability, and irritation/sensitization risk at higher loads. No specific EU/FDA maximum is set for this INCI, so the observed range is driven mainly by supplier recommended use levels, stability, and sensory tolerability rather than explicit regulatory caps.