Ran out of the previous batch that I made (50g). Findings:
Spreading in hair instead of on brush first works, not sure if it’s more even but it feels like I have more control how much I put where
Putting more on front locks helps with frizz – that’s the part of my hair that gets frizzy e.g. from being wind blown
Still figuring out exactly how much to put where, but in any case my day 3 hair is less frizzy and more curly than my day 1 hair used to be
Putting a little too much in will give a bit of a gel cast feel, it does scrunch out a little bit. I don’t like it on day 1 but it gives great day 2 hair
New batch. Same as before, but with Xanthan gum added to hopefully thicken it more.
6g L-Arginine HCl
69g conditioner
3 drops (~0.2%) essential oil
0.15g (0.2%) Xanthan gum
It didn’t really thicken it up much. Maybe I didn’t use enough, or maybe Xanthan gum doesn’t work very well any more 10 years after its manufacturing date. To be honest the creme was a nice consistency already without it so I don’t think I’ll use it again.
As a first test, I added 4 grams of it to 46 grams of store-bought SAPDMA-based conditioner. So about 8% L-Arginine HCl or 6.6% L-Arginine. The change in viscosity was immediate, it got so thick I could barely stir it. I applied it to my hair as I normally do, about 15 grams spread using a wet detangling brush on wet hair, and leaving it in.
Compared to the same conditioner without the Arginine, I feel it works a little worse as a wet detangler because of how thick it is. However, it does seem to work otherwise as intended – my curls appear stronger and more defined, without the gloss that some other products give to my hair. If I add more of the stuff to my hair, it works like hair gel, but less glossy/oily.
I will continue to test it for a few more washes, also see if I can apply it just dissolved in water as a hair mask. I want to understand better what it does before I start formulating with it.
To solubilise HEC: add slowly to cold water with high shear mixing. To speed up, increase pH first until it hydrolyses, then pH can be adjusted down again.
BTMS-50 too heavy or too greasy in leave-in conditioner? Use Stearamidopropyl dimethylamine (SPDMA) or PEG-100 (emulsifier 165) instead? Panthenol just marketing, makes sticky, ok for leave in conditioner?? Could just use glycerin or proyplene gylcol as humectant, but also stick.
Quats (cationic), e.g. Cetrimonium chloride (detangler), honeyquat, polyquaternium (polyquat, e.g. polyquat-7, polyquat-10), – cationic conditioning ingredients. PQ-7 and 10 should be very low in leave-in product, 0.1%? Cetrimonium chloride is max 0.83% in leave-in products. But: in leave-on products, you don’t need specific cationic polymers. You can use emollients straight away.
Emulsifiers: cationic work best, nonionic ok too, but in leave-in conditioner cationic surfactants not needed. Frizz: can be both from cationic or anionic charge buildup.
Emollients, also for slip: carrier oils, silicones, esters such as C12-15 Alkyl Benzoate, coco-caprylate (cyclomethicone replacement), PEG esters
Humectants: glycerin (but sticky at high concentrations), propanediol, sodium lactate,
Go for nonionic surfactants? Coco glucoside, Caprylyl/Capryl Glucoside (only acidic non-ionic surfactant), fatty alcohols like Cetearyl Alcohol and Cetearyl Glucoside, sucrose cocoate (sanfteen, doesn’t work at pH<7), emulsifier 165
I’m looking to formulate a leave-in conditioner for my thin and damaged curly hair. After some searching I have found a product that works for my hair, but it’s a little heavier than I like (it’s not meant as a leave-in) and I would like a little more clumping/hold. It has the following ingredients:
Aqua,
Cetearyl Alcohol,
Stearamidopropyl Dimethylamine,
Glyceryl Stearate SE,
Hydrolyzed Keratin ,
Aloe Barbadensis Leaf Juice,
Camellia Sinensis Leaf Extract,
Behentrimonium Chloride,
Dipropylene Glycol,
Cetrimonium Chloride,
Glycerin,
(parfum, preservatives, pH adjusters)
I’ve used the above formulation as a starting point but want to change a lot of things. I have the following goals for my formulation:
Wet detangling
Non-greasy / non-wet-look
Provides some clumping/hold
Does not build up on repeated use without shampooing
I want to lower the amount of cationic surfactants, but I can’t source SAPDMA, so I’m using BTMS as a high HLB surfactant. I want to replace Glyceryl Stearate SE with Glyceryl Oleate for its refattening properties, and use Cetearyl alcohol to make up the rest of the low HLB. Then, I want replace all the humectants with a bit of propanediol, and add Coco-Caprylate as an extra emollient. Finally, I would like to use some PVP/VA Copolymer for a bit of clumping/hold. I’ve read that natural gums are harder to use and can cause flaking.
Would these ingredients work well together as a non-greasy leave-in conditioner for curly hair? I am quite new to formulating, so are there any things to look out for, like incompatibilities?
Other film formers: 3.5% – 1.5% hydrolysed silk protein, 1.5% PVP/VA copolymer, 0.5% glyceryl oleate
Emollients: 3% – Coco-caprylate
Oil phase: 4.5%
Formulation:
Heated water phase
88.55% Distilled water
1.5% 1,3-propanediol
Heated oil phase
0.75% Behentrimonium chloride
0.5% Glyceryl oleate
1.5% Cetearyl alcohol
3.0% Coco-caprylate
Cool down phase
1.5% hydrolysed silk protein
1.5% PVP/VA copolymer
0.2% fragrance/essential oils
1.0% Geogard
PVP/VA copolymer gives a wet look which I don’t like. Use less/no humectants (only film forming) to give a dryer look? Some may still be necessary to keep gel hydrated
Idea: LGN using glyceryl oleate (GMO) and Polysorbate 80. This study uses 90mg GMO to 40mg polysorbate 80, for 30% high-HLB by weight. 10-30% is recommended. However, this gives an overall HLB of only ~7.4 which may be too low to emulsify emollients. To get a HLB of 9.3, it would need to be ~45% high-HLB. Calculating by molar percentage, I have to get the molar weights. I asked Perplexity, the answers were wrong but the sources are useful: glyceryl oleate 370.5234 g/mol polysorbate-80 428.60 g/mol. This means the molar ratio in the study is 1:2.6 (high:low), but to get an overall HLB of 9.3, it would need to be 1:1.2. Ratios within 1:1 and 1:6 are mostly LGN, with 1:6 to 1:3 giving high viscosity. Ratios within 6:1 and 1:1 are mixed type emulsions (LGN & micellar system). Additionally, emollients such as ester oils like the coco-caprylate I’d like to use can reduce viscosity.
So: this anionic thickening LGN may be possible, but it may not emulsify coco-caprylate. For it to emulsify, it would no longer be thickening. I would need to add something like cetyl alcohol (242.4 g/mol).
To get to a HLB of 9.5 (ignoring the cetyl alcohol) and a 1:3 ratio high:low, starting from 0.5% glyceryl oleate, I would need the following amounts:
0.50% glyceryl oleate
0.50% polysorbate 80
0.50% cetyl alcohol
Which might not be thick enough because of the coco-caprylate interaction. With BTMS or BTMC instead of polysorbate 80, I would need more cetyl alcohol.
What if I drop the coco-caprylate, so the HLB can be lower?
1.5% Glyceryl oleate (conditioning, refattening)
0.5% BTMC (this brings HLB to ~6, and molar ratio 1:3.3)
5% L-arginine (emollient & simple humectant & fixative) – use 6% if L-arginine HCl
may not emulsify fragrance/EO
May not be thick enough
1% Geogard
acid to pH 4.5-5.0
If using 5% L-arginine (free base)
~3% lactic acid (L-arginine 174.20 g/mol, lactic acid 90.08 g/mol -> about 2:1 molar ratio to neutralise)
~5% citric acid (closer to 1:1 molar ratio)
~1% phosphoric acid (tripolar 98.00 g/mol -> about 5:1 molar ratio to neutralise)
It doesn’t work with glyceryl oleate (GMO) alone, so above formulation needs a thickener or change to BTMC/cetyl alcohol
This study suggests it does work as LGN, but at 25+% surfactant, together with GMS, and even then it is not thickening
GMO together with Polysorbate-80 gives nanoparticles, not really thickening?
GMO:Tween80 ratios ranging 6:1 to 3:1 worked well, 3:1 gave larger particle size
Total surfactant 7-8%
Another study used Ewax (cetearyl alcohol & tween60) & GMO at different ratios; 3:7, 5:5 and 7:3, plus tween80. No info on concentrations or viscosity, but 3:7 Ewax:GMO gave the largest nanoparticle size
Lipid nanoparticles may be too stable. You can dry them and resuspend them, so perhaps they will not disperse in hair?
Conclusion: don’t try to make an LGN with GMO as the LGN promotor. Just use cetyl alcohol. Or use something else to thicken, HEC?
Do I even need GMO? It’s a refatting agent, but I don’t use harsh surfactants. Probably better to use conditioning polymers instead?
Dropping the glyceryl oleate, putting the coco-caprylate back
0.8% BTMC (emulsifier, conditioner)
1.5% Cetyl alcohol (emollient, thickener)
2.0% Coco-caprylate (light oil-like emollient)
6.0% L-arginine HCl (emollient, humectant, provides some hold)
1.0% Geogard
0.2% fragrance/essential oils
acid to pH 4.5-5.0
Process behind the ratios
I looked on specialchem.com and found that Coco-caprylate (or the very similar Coco-caprylate/Caprate) is typically used at 2% in leave-in hair care formulations.
I read into emulsions. The 2% Coco-caprylate that I want to emulsify requires a HLB of 9.3, Cetyl alcohol requires a HLB of 15.5. If I want a total HLB to match with the HLB of BTMC which is 12, I calculated that I need 1.5% Cetyl alcohol.
I want to thicken my conditioner using LGN, so I read into LGNs. If I understand it right, for high viscosity, the molar ratio of surfactant to LGN promotor should be between 1:3 and 1:6 for high viscosity. I calculated that I need about 0.8% BTMC to get to a 1:3 ratio.
I cheched with some light leave-in conditioner formulations I could find if the BTMC and fatty alcohol values are in the right ballpark. Humblebeeandme has 4 light leave-in conditioner formulations, 2 of which use BTMC. The first uses 0.5% BTMC and 1% cetearyl alcohol, but they also use 0.3% cationic guar gum to help stabilise the emulsion and don’t recommend leaving it out. However that formulation has a larger oily fraction (5.5% vs 2.25%), so I might still get away with leaving it out. Also, the L-arginine might help stabilise the emulsion? Their second formulation uses 1% BTMC and 1% cetearyl alcohol, but it doesn’t have to emulsify any oil other than 0.5% fragrance oils. So I think I’m in the right ballpark with 0.8% BTMC and 1.5% Cetyl alcohol.
I read that Arginine at 5-8% has nice fixative properties. I’m starting with 6% L-Arginine HCl which equals about 5% Arginine. I thought about getting the free base instead, but then I’d have to add the acid anyway to get the pH down to 4.5-5. This way I can avoid using strong acids.
Forum post titled “Can Arginine function as a fixative in a leave-in conditioner?”
I want to make a leave-in conditioner for personal use. I want it to be a good wet detangler, provide some clumping/hold for wavy/curly hair without weighing it down too much, and I want it to not build up on repeated use without shampooing. Because of the latter, I’ve settled on trying to formulate a conditioner that mostly works by penetrating hair fibres, instead of creating a film.
I’ve set my eyes on Coco-Caprylate as a lightweight emollient, and I want to try Arginine for its emollient, humectant and supposed fixative properties. For my formulation I took 2% Coco-caprylate as a starting point, calculated that I need 1.5% Cetyl alcohol to get the HLB to 12 (same as BTMC), then calculated that I need about 0.8% BTMC to get to a 1:3 molar surfactant to fatty alcohol ratio for high viscosity LGN. I hope I understand the emulsifier & LGN theory right and this will create a nice consistency, perhaps with a little experimentation.
0.8% BTMC
1.5% Cetyl alcohol
2.0% Coco-caprylate
6.0% L-arginine HCl
1.0% Geogard
0.2% fragrance/essential oils
pH to 4.5-5.0
My questions:
Am I using Arginine correctly in this formulation? I could only find the recommendation by @vitalys on this forum that it has “excellent fixative properties” and “5-8% will already bring nice fixation, especially in hair sprays”. I did find formulations using Arginine but they were all <0.5%.
How can an amino acid like Arginine have fixate properties? Does it polymerise, or maybe remodel disulfide bonds? Is it an interaction with other molecules taking advantage of Arginine’s affinity for hair protein and its cationic charge at pH<9?
Will this formulation work well for what I want, or does “fixative” for instance necessarily mean that it won’t be a good wet detangler?
Thanks for any help!
Feedback: BTMC to 1% active, ratio to 1:4, maybe more emollients
I use a lot of conditioner and so far I haven’t found the best one to make my wavy hair easier to handle and more curly. So I want to make my own recipe. Apparently it’s really easy to make, with only a couple of ingredients: water, oil, an emulsifier, and a preservative.
The emulsifier
I found two very similar recipes using BTMS as the main ingredient over at Humblebee & Me and The Things We’ll Make. BTMS is a lightweight, plant-based cationic emulsifier that is apparently a really good detangler and hair conditioner.
BTMS-25 and BTMS-50 are roughly the same price, but the latter is twice the BTMS concentration of the former, although with less of the stabilising additives blended in. I want a thin, lightweight conditioner that doesn’t weigh my hair down much, so maybe using less of the more concentrated BTMS is the best option for me.
For leave-in conditioner, about 3% BTMS-25 seems to work fine, so maybe I’ll try 1.5% BTMS-50. The TTWM recipe is 5% BTMS-25 and the Humblebee one is 4% BTMS-25 but those are not specifically leave-in, for which they recommend a lower strength. Humblebee does have a 1% BTMC leave-in conditioner recipe, and that is about twice as strong as BTMS-50. I could try the BTMC instead, but it’s harder to get and I’d have to get cetearyl alcohol too.
The oil
I’m looking for a lighter oil, this rules out things like shea & coconut butter. Also, I’m not really looking for a coating oil that makes my hair shiny – what I’m looking for is a penetrating oil. The following I think are light penetrating oils judging by this site:
Sunflower oil
Grapeseed oil
Almond oil
Argan oil
Grapeseed is the lightest oil and sunflower is by far the most penetrating out of these. The other two contain vitamins, almond oil also containts proteins, and none of these should leave greasy residue on fine hair.
TTWM uses a 1:1 oil-to-BTMS-25 ratio (5% oil), Humblebee uses a 2:1 ratio (8% oil). If I indeed go for 1.5% BTMS-50, I guess I could start with 3% oil. I could also try the Humblebee formulation without oil first.
The preservative
I need to do more research but it looks like 1% Geoguard would work. Interestingly it is the most expensive ingredient at around half of the total formulation cost.