Lightweight Water-Resistant Tone-Up Sun Serum (SPF 30) Formulation
Asked by: nararat.maq
On: January 23, 2026
Product Type:
Cosmetics
Question
Please provide a formulation and the required percentages for a body sunscreen with the following specifications:
- SPF 30
- Tone-up effect: Slight skin brightening.
- Texture: Lightweight Sun Serum feel.
- Properties: Water-resistant.
- Filters: Incorporate Chemical filters to ensure a non-greasy, light texture.
- Ingredients: Affordable and available for purchase at MySkinRecipes.
Answer
This formula for a Tone-Up Sun Serum (SPF 30) is designed to be lightweight, non-greasy, and water-resistant, providing a natural brightening effect for the body.
Tone-Up Sun Serum Formula (SPF 30)
Oil Phase:
- OMC (Octinoxate): 7% (Chemical UVB Filter)
- Titanium Dioxide 200nm EasyDisperse™: 3% (Physical Filter for Tone-up effect)
- Cyclopentasiloxane: 5% (Light silicone for a silky, non-greasy feel)
- Light Cream Maker™: 1.5% (Emulsifier for serum/lotion texture)
Water Phase:
- Water: 77.5%
- Glycerin: 3% (Humectant)
Final Phase (Cool Down):
- WaterGuard™ Spray: 2% (Film former for water resistance)
- Broad-spectrum Preservative: 1% (e.g., Phenoxyethanol)
Mixing Instructions:
- Prepare the Oil Phase: Mix OMC, Cyclopentasiloxane, and Light Cream Maker™ together. Add Titanium Dioxide 200nm EasyDisperse™ and stir until the powder is well-dispersed and no clumps remain.
- Prepare the Water Phase: Mix Water and Glycerin until uniform.
- Emulsification: Gradually pour the Water Phase into the Oil Phase while stirring continuously (using a high-speed mixer or blender is recommended) until a smooth serum texture is formed.
- Final Additions: Add WaterGuard™ Spray and the preservative. Mix thoroughly.
- Adjust pH: Check the pH; it should be around 6.0-7.0.
Key Features:
- Tone-up Effect: The 200nm Titanium Dioxide provides a natural brightening effect without looking overly white or chalky.
- Lightweight Texture: The combination of Light Cream Maker™ and Cyclopentasiloxane ensures the serum absorbs quickly and feels light on the skin.
Water Resistance: WaterGuard™ Spray helps the sunscreen stay on the skin even when sweating or exposed to water.
Note: This formula provides an estimated SPF 30. For commercial distribution, professional SPF testing in a laboratory is required to confirm the exact protection level.*
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