Skin Perfection Leucidal Liquid Radish Root Preservative 0.5 oz — Natural, Water-Soluble Protectant for Hyaluronic Serums & DIY Lo

Leucidal Liquid from Skin Perfection is a gentle, radish-root-derived preservative alternative designed to help keep DIY serums, lotions and cosmetics fresher without synthetic preservatives.

If you make your own skincare at home or formulate small-batch beauty products, choosing a preservative that balances natural origins with reliable protection is crucial. Skin Perfection’s Leucidal Liquid is a plant-based, fermented radish root extract that offers mild antimicrobial activity, water solubility, and compatibility with many anhydrous and aqueous formulations. It’s especially popular for hyaluronic acid serums, lightweight lotions, and vitamin C preparations when paired with good manufacturing hygiene and complementary preservatives.

How do I use Leucidal Liquid in a hyaluronic acid serum or lotion?

Add Leucidal Liquid during the cooling phase of your formulation to preserve activity and stability. It’s water-soluble and should be incorporated below 70°C; typical usage is around 2–4% depending on the recipe and desired shelf protection. Monitor pH and combine with good manufacturing practices for best results.

• Use at approximately 2–4% of total formulation; test for your specific recipe.
• Add below 70°C (below 158°F) during cooling to maintain efficacy.
• Ensure final product pH is between 3 and 8 for compatibility.
• Maintain clean utensils, sanitized containers, and correct batching technique.

Can I rely on Leucidal Liquid alone to preserve vitamin C serums?

Leucidal Liquid provides mild protection but many formulators pair it with other broad-spectrum agents for robust preservation, especially for sensitive vitamin C serums. For full-spectrum protection consider combining it with approved boosters like sodium benzoate, gluconate derivatives, or using Skin Perfection’s stronger blends.

• Works best as part of a preservation strategy, not always as a single-solution for challenging formulas.
• Consider pairing with sodium benzoate or gluconates for enhanced antimicrobial coverage.
• Use stronger Skin Perfection blends (SF Max/Complete) for more demanding products.
• Always run stability and microbial challenge tests for commercial lines.

Is Leucidal Liquid compatible with other natural ingredients and actives?

Yes—this radish-root-derived liquid is compatible with many botanicals, humectants like hyaluronic acid, and vitamin C forms when properly formulated. Because it’s water-soluble and stable up to moderate temperatures, it integrates easily into water phases, gels, and emulsions while contributing gentle moisture-retaining properties.

• Compatible with hyaluronic acid, glycerin, and common botanical extracts.
• Water-soluble—best added to the water phase or during cooling.
• Stable up to roughly 140°F (60°C) but add under 70°C for safety.
• Monitor interactions when adding strong acids, chelators, or actives.

Who this is for: Makers of natural skincare, indie beauty brands, and DIY formulators who prioritize plant-based ingredients and want a milder preservation route for small-batch products. Skin Perfection Leucidal Liquid is well suited for hobbyists creating hyaluronic acid serums, lightweight facial lotions, and hydrated gels, plus brands testing cleaner-label approaches. If you need robust, broad-spectrum protection for commercial-scale lines, consider combining Leucidal with complementary preservatives or selecting a Skin Perfection complete-preservative blend and always validate with appropriate stability and microbial testing.

Ingredients

INCL: Leuconostoc/Radish Root Ferment Filtrate.