lysine
lysine receives a safety score of 100/100 based on ingredient analysis using FDA Substances Added to Food (SAFFA) data and CSPI Chemical Cuisine ratings. None of the ingredients in this product are flagged for safety concerns by FDA or CSPI databases. Product label data is sourced from the OpenFoodFacts collaborative database. See the full ingredient breakdown and safety assessment below.
What the Data Says About
lysine carries a composite safety score of 100/100, which we classify as "Safe" on our four-tier shelf-label framework. The score is computed by mapping each labeled ingredient against FDA Substances Added to Food (SAFFA) regulatory status and CSPI Chemical Cuisine classifications, then penalizing the overall product for each additive rated as caution-or-worse. Product data originates from the OpenFoodFacts collaborative catalog; safety annotations come from federal regulators and the Center for Science in the Public Interest.
Our scan did not identify any ingredients in this product that FDA SAFFA or CSPI Chemical Cuisine data flags as requiring caution or avoidance at the time of analysis. That is a meaningful clean-label signal, though it does not account for personal allergens, regional recalls, or inspection findings not reflected in federal additive databases. The per-ingredient breakdown below shows the source-level classification for each component.
On the NOVA processing scale, lysine is classified as Group 4 (Ultra-processed). NOVA measures industrial processing intensity rather than ingredient-level safety, so it complements the SAFFA and CSPI ratings: a product can be clean on additive flags but heavily processed, or lightly processed but carry individually flagged ingredients. Combining both lenses gives a fuller picture than either alone.
Safety Profile at a Glance
| Metric | Value | Source |
|---|---|---|
| PlainFoodSafe Score | 100/100 | FDA SAFFA + CSPI composite |
| Flagged ingredients | 0 | CSPI/FDA review |
| NOVA processing group | Group 4 | OpenFoodFacts |
| Nutri-Score | Not available | OpenFoodFacts |
Composite metric derived from FDA SAFFA, CSPI Chemical Cuisine, OpenFoodFacts. See methodology.
Ingredient Safety Analysis
Full Ingredient List
menthol 0.1%........ purpose cold sore/ fever blister treatment uses temporarily relieves tingling, itching, burning, blistering, and pain associated with cold sores/fever blisters. warnings for external use only. when using this product do not get into eyes. stop use and ask a doctor if • condition worsens • symptoms last more than 7 days or clear up and occur again keep out of reach of children. if swallowed get medical help or contact a poison control center right away. directions adults and children 2 and older: apply liberally as needed for best results, apply every 2 hours children under 2 years of age: consult a physician other information • store at room temperature and avoid excessive heat. • close cover tightly after each use. inactive ingredients olea europaea (olive) fruit oil, beeswax, water, lysine, calendula officinalis extract, echinacea purpurea extract, zinc oxide, propolis extract, gum benzoin, tocopherol, hydrastis canadensis (goldenseal) leaf, melaleuca cajuputi oil, tea tree (melaleuca alternifolia) leaf oil, honey, retinyl palmitate, cholecalciferol. "compared to untreated cold sores
Data Sources
Data as of 2025. Source: OpenFoodFacts, FDA SAFFA, CSPI Chemical Cuisine.
Product data from OpenFoodFacts (ODbL). Ingredient safety ratings from FDA SAFFA and CSPI Chemical Cuisine. See our methodology for details.
This information is for reference only and does not constitute dietary or medical advice.
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