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 (5)
Phenoxyethanol
CAS 122-99-6
Specialty Additives
Preservative and carrier solvent
Membrane-disrupting preservative with good Gram-negative and yeast/mold coverage, a backbone of modern challenge-passing systems
Melting Point: 14 °C Boiling Point: 245 °C at 760 mmHg Density: 1.104
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Sodium Benzoate, Food Grade
CAS 532-32-1
Specialty Additives
Broad-spectrum preservative in acidic systems
Undissociated benzoic acid penetrates microbes at low pH, covering yeasts/molds in acidic formulas
Physical Description: Dry Powder; Liquid; Pellets or Large Crystals; … Appearance: White, granules or crystalline powder Odor: Odorless
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Benzyl Alcohol
CAS 100-51-6
Solvents
Solvent and preservative agent
Broad-spectrum aromatic alcohol that boosts the overall kill and solubilizes other preservatives
Melting Point: -15 °C Boiling Point: 205 °C at 760 mmHg Density: 1.05 at 824 °C
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Disodium EDTA (Food Grade)
CAS 139-33-3
Specialty Additives
Metal chelant for formula stability and preservative efficacy
Strips the divalent metals that stabilize Gram-negative outer membranes and biofilms, sharply increasing preservative efficacy
Physical Description: White odorless solid; White odorless crystals Appearance: White crystalline powder Melting Point: MP: 242 °C /EDTA disodium dihydrate/
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2-Bromo-2-Nitropropane-1,3-Diol
CAS 52-51-7
Specialty Additives
Preservation
3241 (2-BROMO-2-NITROPROPANE-1,3-DIOL) · Class Fast broad-spectrum biocide (Bronopol) that shores up Gram-negative coverage where a primary preservative is marginal
Melting Point: 130–133 °C Boiling Point: 152 °C at 760 mmHg Density: Relative density (water = 1): 1.9
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Related Product Families
● Available
Solvents & Carriers
Cosmetic-grade glycols, esters, and volatile solvents as carriers, solubilizers, and co-solvents for serums, sprays, and anhydrous systems
SolvencyCarrierHumectancy
9 chemistries
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● Available
Stabilizers & Processing Aids
Chelators, antioxidants, preservative boosters, pH buffers, and UV filters protecting formulation integrity through processing and shelf life
AntioxidantpH BufferPreservationUV
8 chemistries
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● Available
Preservatives
Preservatives and preservative boosters that help protect emulsions and surfactant systems from microbial spoilage throughout shelf life.
PreservationAntimicrobial
13 chemistries
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● Available
Chelators & pH Adjusters
Metal-ion chelators and pH-adjusting acids, bases, and buffers that prevent rancidity, stabilize color, and hold formulas at their target pH.
ChelationpH AdjustmentSequestration
11 chemistries
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