Solution Approach
RawSource supplies the base chemicals that go into these programs. We can help with product selection, grade matching, and sourcing from multiple origins for supply security.
Typical Formulation Workflow
1
Concept & Claim Definition
Define the product type, sensory and claim targets, and the regulatory and label framework (INCI, regional cosmetic regulations, certifications).
2
Ingredient Selection
Match emollients, emulsifiers, surfactants, actives, preservatives, or rheology modifiers to the formula, skin-feel, and compatibility window.
3
Bench Formulation
Build and stabilize the emulsion or system at the bench, checking pH, viscosity, preservative efficacy, and aesthetics.
4
Stability & Compliance Validation
Run stability and compatibility testing, confirm preservative efficacy, and finalize the INCI, CoA, and documentation.
Recommended Chemistries (6)
Zinc Oxide
CAS 1314-13-2
Mineral Fillers & Pigments
Biocidal Action
3077 (ZINC OXIDE, CRUDE) · Class Inorganic broad-spectrum filter that scatters and absorbs UVA and UVB; mineral workhorse of sunscreen bases
Melting Point: 1975 °C Density: 5.61 Solubility: 0.0004 % at 18 °C
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Titanium Dioxide
CAS 13463-67-7
Mineral Fillers & Pigments
White pigment and UV opacifier
Inorganic filter strong across UVB and UVA-II; paired with zinc oxide for mineral systems
Melting Point: 1860 °C (decomposes) Boiling Point: 2500–3000 °C at 760 mmHg Density: 3.9 to 4.2
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Avobenzone
CAS 70356-09-1
Specialty Additives
UV Protection
Dibenzoylmethane organic filter providing UVA absorption; the primary organic UVA filter in modern formulas
Melting Point: 83.5 °C Solubility: Solubility at 20 °C: glycerin, 0.1% w/w; ethano… Vapor Pressure: 0.0000014
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Octocrylene
CAS 6197-30-4
Specialty Additives
UV Protection
Organic UVB filter that also photostabilizes avobenzone, extending the UVA filter's effective life in the bottle
Solubility: Insoluble
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Homosalate
CAS 118-56-9
Salicylate organic UVB filter and solvent that helps dissolve other organic filters in the oil phase
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Octinoxate (Ethylhexyl Methoxycinnamate)
CAS 5466-77-3
Cinnamate organic UVB filter; high-efficiency UVB absorber widely used in daily-wear formulas
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