Skin Perfection Leucidal SF Complete natural preservative 1 oz — salicylate-free, plant-derived for water-based skincare

Leucidal Liquid SF Complete is a 1 oz plant-derived preservative blend that protects water-based DIY skincare at 2–4% usage without salicylates.

Formulators, estheticians, and home makers who want a natural, easy-to-use preservative will appreciate this salicylate-free option from Skin Perfection. The fermented Lactobacillus and coconut-derived blend is designed to be added during cool-down and keeps serums, lotions, creams, and gels safe against microbial growth when used correctly. One 1 oz bottle treats roughly 25–50 oz of finished formula, making it cost-effective for small-batch production and trial runs.

How do I add Leucidal SF Complete to my routine?

Add the preservative at the cool-down stage below 40°C (122°F) and use it at 2–4% of your total formula weight. For higher-risk formulations, pair it with a second preservative like sodium benzoate or gluconolactone and perform a microbial challenge test before release.

• Dosage: 2–4% of finished product
• When: Add below 40°C (122°F)
• Compatibility: Water-based serums, lotions, creams, gels, and mists
• Extra caution: Combine with sodium benzoate or gluconolactone for high-risk formulas

Will this preservative affect my product’s texture, scent, or clarity?

When used at recommended levels, Leucidal SF Complete is a clear liquid with a faint scent that fades as the product cures, and it typically does not cloud finished emulsions. Because it’s intended for cool-down addition, it won’t destabilize heat-sensitive actives added earlier in the process.

• Appearance: Clear, minimal impact on clarity
• Scent: Mild and transient, won’t overpower fragrances
• Texture: No appreciable change in feel at 2–4%
• Stability: Use below 40°C to preserve actives and efficacy

Which formulas and skin types is Leucidal SF Complete suited for?

Leucidal SF Complete is formulated for water-containing products and is especially useful when avoiding salicylates. It’s not suitable for anhydrous systems (oils/butters only) and should be chosen when a salicylate-free label is required or desired.

• Suitable: Hydrating serums, light lotions, gels, facial mists
• Not suitable: Anhydrous products (pure oils, balms)
• Ideal users: Salicylate-sensitive recipients, small-batch makers, estheticians
• pH range: Effective across pH 3–8

How long will this preservative extend my product’s shelf life?

Shelf-life depends on formulation, hygiene and storage, but used properly Leucidal SF Complete can help products remain stable for months. Typical small-batch products stored in clean containers and kept out of excess humidity often reach 6–18 months, though challenge testing is recommended for precise dating.

• Typical range: 6–18 months with good manufacturing practices
• Storage: Keep in cool, dry place away from direct heat
• Testing: Perform microbial challenge tests for commercial claims
• Usage yield: 1 oz preserves ~25–50 oz of finished product

Who is this for: Skin Perfection Leucidal Liquid SF Complete is aimed at DIY formulators, professional estheticians, and small-batch skincare brands that need a clear, salicylate-free preservative solution for water-based products. If you make facial serums, light lotions, mists, or gels and want a plant-derived option that’s simple to measure with a dropper and compatible with common actives like hyaluronic acid and niacinamide, this bottle is designed with your workflow in mind. Always follow recommended usage rates, add during cool-down, and run challenge tests for products intended for sale or longer shelf-life claims.

Ingredients

Lactobacillus Ferment & Lactobacillus & Cocos Nucifera (Coconut) Fruit Extract