COS 202: Chemicals

• Practice safety, sanitation, and disinfection procedures for chemical services, tools, implements, and equipment.
• Comprehend the role of density, porosity, hair texture, and wave pattern of the hair in the proper analysis and choice of chemicals.
• Differentiate and comprehend the various chemicals used for a chemical wave.
• Differentiate and comprehend the various chemicals used for a chemical relaxer/straightener.
• Differentiate and comprehend the various chemicals used for a chemical curl reformation.
• Comprehend the various base sizes, base placements, and sectioning patterns used to position tools and the outcome.
• Demonstrate the knowledge and ability to perform the most widely used perm patterns using advanced techniques: rectangle, contour, bricklay, spiral, and "beach waves."
• Demonstrate and perform virgin and retouch applications for a chemical relaxer/straightener.
• Demonstrate and perform virgin and retouch applications for curl reformation.
• Develop strong communication skills regarding chemical texture services.
• Comprehend the various chemicals used to perform color applications: temporary, semi-permanent, demi-permanent, permanent, developers, decolorizers, color remover.
• Differentiate between the following: levels of color, stages of decolorization, tone, intensity, complimentary colors.
• Demonstrate advanced techniques: weaving, slicing, block patterns, zones, balayage, ombre, corrective color.
• Develop strong communication skills regarding hair color services.

Health and Safety

1. Infection control
2. Draping
3. Tools 
4. Predisposition test
5. Disinfecting procedures

Hair Analysis

1. Wave pattern
2. Texture
3. Porosity
4. Elasticity
5. Density

Product Knowledge and Chemistry (relaxers and perms)

1. Sodium hydroxide relaxers
2. Thioglycolic relaxers
3. Ammonium thioglycolate
4. Acid waves
5. Alkaline waves
6. Exothermic waves
7. Endothermic waves
8. "American" waves

Product Knowledge and Chemistry (hair color)

1. Categories of color (temporary, semi-permanent, demi-permanent, permanent)
2. Analine derivatives
3. Developers
4. Bleach (on and off the scalp, powder, oil, or cream)
5. Levels of color
6. Stages of decolorizing
7. Color wheel
8. Underlying/contributing pigment

Chemical Texturizing Tools/Equipment

1. Rods (straight/concave)
2. Spiral rods
3. Soft bender rods, loops
4. Combs
5. Picks
6. Heated dryer/open air machine

Hair Color Tools and Equipment

1. ​Brushes
2. Bowls, bottles
3. Combs
4. Open air machine

Communication

1. Record keeping
2. Consultation

Chemical Texturizing Techniques

1. Virgin/retouch chemical relaxer/straightener
2. Virgin/retouch curl reformation
3. Virgin/retouch soft curl relaxer
4. 8-9 Block basic perm application

5. Advanced spiral application 

6. Advanced bricklay pattern

7. Advanced loop pattern 
8. Advanced contour/block pattern
9. Advanced relaxer application
10. American wave application

Hair Color and Bleaching Techniques

1. Color retouch application
2. Bleach retouch application
3. Virgin color application
4. Virgin bleach application
5. Toner application
6. Highlighting and slicing applications
7. Lowlight application
8. Balayage application
9. Ombre application
10. Shadow root application
11. Zonal/block color applications
12. Color melting
13. Removal of artificial color
14. Tint back to natural applications