Pharmaceutical & Cosmetic Review Africa Q1 2021

Page 13

HAIR CARE

Table 1: Cold process hair mask formulation

Phase A

B

Ingredient

INCI

Wt%

Water

Aqua

92.2

Polyquaternium-39

Polyquaternium-39

1

Dermol IPP / Lexol IPP MB

Isopropyl Palmitate

3

PE 91

Phenoxyethanol & Ethylhexylglycerine

1

AECI FlowCat 37

Polyquaternium-37 (and) Propylene Glycol Dicaprylate/Dicaprate (and) Trideceth-6

3

Method: Add phase A ingredients in the correct order and mix after each addition. Under high stirring, add phase B and maintain agitation for 15 minutes

actives like polyquaternium-39 as per the example in Table 1. These ingredients may also be used to develop conditioners as well as semi-permanent hair colour creams. Polyquaterniums are very large molecules that periodically have negative charged sites along the molecule, inherently making them cationic conditioning polymers. Cationic charge is a trait that is shared among many hair care conditioning agents, due to the fact that the hair, especially damaged hair, has a negative charge, allowing the cationic polymers to stick to it, typically smoothing the shaft and making it easier to comb and manage.

thicken, emolliate and condition all in one. AECI

raw materials needed and in the carbon

FlowCat 37 is an example of a four-in-one type

footprint – it is easy to understand why

of ingredient. The benefits and versatility of this

these products are so appealing to hair

consumer is dictated by the length, shape and

ingredient are shown in the formulation in Table 1.

mask brands and manufacturers.

complexity of the polyquaternium molecule, of which many variations exist. At AECI

Formulations such as this one can be as simple as three to five ingredients in total (including water and a preservative). This type of technology makes particular

The level of condition required by the

A CLOSER LOOK AT CONDITIONING POLYMERS

Specialty Chemicals, we offer a wide range of

When examining the INCI name of the

polyquaternium 6, 7, 10, 11, 22, 37, 39 and 67. •

sense for hair masks, which are often sold

material, it is clear that it already contains

in small volume sachets. When you consider

polyquaternium-37 for conditioning. Yet the

the elimination of the heating step and the

level of conditioning can be tweaked even more

reduction in processing time, number of

by including high, medium or low conditioning

polyquaterniums, including but not limited to

AECI Specialty Chemicals – jacques.strydom@aeciworld.com or Thureya.Sarlie@aeciworld.com

P&C AFRICA // QUARTER 1 2021

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Pharmaceutical & Cosmetic Review Africa Q1 2021 by New Media B2B - Issuu