Sandalwood Shampoo Formulation - Sulfate free shampoo

Introduction: Why Choose Sulfate-Free Shampoos?

Sulfate-free shampoos are gentle on hair and scalp, making them ideal for all hair types, especially color-treated or sensitive hair. They use mild surfactants that cleanse without stripping natural oils, while conditioning agents and hydrolyzed proteins nourish and repair hair.

This guide explains how to create a clear, sulfate-free sandalwood shampoo using natural surfactants, conditioning ingredients, and carefully balanced additives for a mild, effective hair care solution.

Key Ingredients and Their Functions

1. Mild Surfactants (Phase A)

Ingredient	Type	Function
Sodium Lauroyl Sarcosinate	Anionic surfactant	Mild cleanser with good foaming properties
Coco Betaine	Amphoteric surfactant	Boosts foam, increases viscosity
Coco Glucoside	Non-ionic surfactant	Enhances mildness; alternative: Decyl glucoside

2. Conditioning Agents (Phase B & D)

Ingredient	Type	Function
Glycine	Amino acid	Moisturizes, conditions, makes hair look healthy
Glycerin (optional)	Humectant	Adds moisture to hair
Polyquat 7	Cationic polymer	Reduces frizz, increases shine
Hydrolyzed Proteins (Rice, Wheat)	Protein	Repairs damaged hair; alternatives: oat protein, milk protein
Olivem 300	Emollient & foam enhancer	Adds mild conditioning and foam stability

3. Fragrance, pH Adjusters & Preservatives (Phase C & D)

Ingredient	Function
Sandalwood Fragrance Oil	Provides pleasant scent; ratio with Polysorbate 80 must be tested to avoid cloudiness
Polysorbate 80	Solubilizer
Sodium Gluconate	Chelating agent
Lactic Acid	pH adjuster
Geogard ECT	Preservative
Salt	Thickener

Ingredients Required (Percentage by Weight)

Phase	Ingredient	%
A	Sodium Lauroyl Sarcosinate	15
A	Coco Betaine	10
A	Coco Glucoside	5
A	Distilled Water	55.5
B	Glycerin	3
B	Glycine	0.5
B	Sodium Gluconate	0.1
B	Salt	1.5
C	Polysorbate 80	1
C	Sandalwood F.O	1
D	Olivem 300	2
D	Polyquat 7	1
D	Hydrolyzed Proteins (Rice & Wheat)	3
D	Preservative (Geogard ECT)	1
D	Lactic Acid	0.4

Equipment required:

• 100ml glass beakers
• Stirring rods and spatulas
• Heating mantle or double boiler
• Glass bottle or serum container
• Precision weighing scale (0.01g)
• Measuring cups
• Gloves

Step-by-Step Procedure

1. Measure and prepare phases:

• Phase A (surfactants + water)
• Phase B (glycerin, glycine, sodium gluconate, salt)
• Phase C (Polysorbate 80 + fragrance oil)
• Phase D (Olivem 300, Polyquat 7, Hydrolyzed proteins, preservative, lactic acid)

2. Mix Phases B & C: Stir well to ensure complete dissolution.

3. Combine phases: Slowly add Phases B, C, and D into Phase A while stirring gently.

4. Adjust pH: Use lactic or citric acid to reach pH ~5.5. Adjust thickness by adding up to 0.5% more salt if needed.

5. Final packaging: Pour the shampoo into a clean bottle.

Tips for Best Results

• Use transparent fragrance oils to maintain clarity.
• Avoid over-heating surfactants; it may reduce foam.
• Test any substitution of proteins or surfactants for compatibility.
• Store shampoo in a cool, dry place.

Common Substitutions & Variations

Ingredient	Alternative	Notes
Coco Glucoside	Decyl Glucoside	Foam may differ
Hydrolyzed Proteins	Oat, Milk Protein	Adjust % based on protein type
Lactic Acid	Citric Acid	Adjust carefully to pH 5.5
Salt	Xanthan Gum / Carbomer	For natural thickening

FAQs

Q1: What makes this shampoo sulfate-free?

A1: It uses mild surfactants like Sodium Lauroyl Sarcosinate and Coco Glucoside instead of harsh sulfates, making it gentle on hair and scalp.

Q2: Can I replace wheat and rice proteins with other proteins?

A2: Yes, proteins like oat or milk protein can be used. Foam and texture may vary slightly.

Q3: How can I make a clear shampoo without cloudiness?

A3: Ensure the fragrance oil is properly solubilized with Polysorbate 80. Test ratios before mixing into the shampoo.

Q4: How do I adjust shampoo thickness?

A4: Salt can be increased slightly (up to 0.5%) or natural gums like xanthan gum can be used.