OldPerry
Forum Replies Created
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DMDM Hydantoin
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@MaisR - You’ll have to add the shipping costs to the £/g (or £/L) but you’ll need to divide it over the whole shipment.
Suppose you have 100g of an ingredient that costs £10/g. (total = 100*10 = £1000)
Shipping costs are £20. £20/100g = £0.2/gSo, now your ingredient cost is really £10.2/g
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@ngarayeva001 - when something is a film former that may have an impact on the way the product feels. If this is something consumers notice then it may be important. But if consumers can’t tell, the ingredient doesn’t really matter.
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It’s a cleanser. Why are you including oils? They simply make the cleanser part of your product less effective. In fact, none of the following ingredients need to be in the formula.
Lavandula Angustifolia (Lavender) Oil,
Simmondsia Chinensis (Jojoba) Seed Oil,
Ribes Nigrum (Blackcurrant) Seed Oil,
Ormenis Multicaulis Oil,
Chamomilla Recutita (Matricaria) Flower Oil,
Carum Petroselinum (Parsley) Seed Oil
Glycerin
Glycyrrhiza Glabra (Licorice) Root Extract -
I think 3% pearl agent is too high. That could lead to separation. Also, salicylic acid is only soluble in water up to 0.25% so that may be separating out also.
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@Hanson25 - There are a couple answers to this question.
1. For many companies every “special” ingredient they add to their formula is just for marketing claims. In their skin care product they put an ineffective level of an antioxidant or hyaluronic acid or retinol or whatever ingredient is popular and talk about how beneficial the ingredient is in their marketing. Since consumers can’t really tell a difference in performance this strategy is effective and most profitable.
2. Some companies look to the scientific literature and match the levels that published studies say were used and then claim some effect. So, they have a rationale that the added feature ingredient has some benefit. However, demonstrating a benefit from an ingredient in a laboratory controlled study is not the same thing as demonstrating a benefit under real-life conditions. In cases like these the ingredients still may just have claims benefit and not provide any real cosmetic benefit. It is not in the product maker’s best interest to figure out if the ingredients actually work.
The reality is that benefits that might be derived from feature ingredients are subtle and incremental at best. They also may take a long time to notice. The condition of your skin is complicated and based not only on the products you use but also on the environment you’re exposed to, stress levels and the diet you eat.
Consumers are not good at noticing benefits so ALL of these “feature” ingredients, whether they have tiny effects or not, are mostly just added for the claims.
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Adding amino acids to hair care products is simply a marketing ploy. They will have zero noticeable effect.
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I would recommend Sodium Lauryl Sulfate or Sodium Laureth Sulfate since they work the best and are the least expensive. I’d also get rid of the Decyl Glucoside since it isn’t a particularly good surfactant for hair.
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@emma1985 - it’s not banned in the EU. You can get it with a prescription.
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SLSA is only soluble in water 3.5%. So, if you want a clear, stable system or to get it to fully dissolve, that is the maximum percentage you can use.
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I would guess only 1% Astragalus (and maybe not even astragalus). In truth, you wouldn’t really have any way to distinguish this from brown water.
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Ah, then your statement “…I add the SLSA until it is fully dissolved” is not correct. If you don’t get a clear system, then the SLSA is not fully dissolved.
Just for clarification…what do the initials SLSA stand for?
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At what point in the process does it become non-transparent?
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Here is a better version of the replay. (You’ll be able to fast forward and rewind to watch what you want.)
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The most important thing to do is to make sure you have all the units the same.
If you want to know how much a bottle costs in terms of £/L then all the units should be converted to £/L.
If some of the units are £/g then you’ll need to convert that to £/L. To do that, you are correct you will need the specific gravity of whatever material you are using.
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Thanks @Agate
If anyone wanted to re-watch any of the sessions here are the links you’ll need.
1. Morning - https://event.webinarjam.com/replay/51/1nwy0iy3cloiqpi1or
2. Afternoon - https://event.webinarjam.com/go/replay/51/0vky9igwcxxfllf2
3. Thickener track - https://event.webinarjam.com/go/replay/54/k64zrbz5s72u2s1This is an exact replication of what went on yesterday so you’ll see all the content, comments, and a couple of the flaws. But we wanted to get this to you as soon as we could. This will be available for the next 2 weeks and then it will go away.
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We are only 1 day away!
We’ve already gotten over 2400 people signed up. I think the room maximum is 2000 at any time but as long as everyone doesn’t join at the same time it will be fine. You can sign up and attend whenever you like during the day or watch the replay afterwards.
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Here is a list of all the cosmetic science programs around the world.
There are a number of online courses but these aren’t really recognized in the industry as official “degrees.” If that is important to you, you should look into one of the programs listed in that link. -
@Benz3ne - that would depend though on their market. In the US, COSMOS doesn’t mean much. If you want to sell a product as “organic” you’ll have to comply with the USDA regulations for Organic Products.
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Hello @paigemsdavis - thanks for the questions. There is no requirement to purchase any ingredients to successfully go through the course. When the course was created, it was geared more towards people who work in laboratories and have access to equipment and materials. Certainly, you can purchase those things to practice making formulas, but it is not a requirement.
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@suswang8 - It could also be that the phenoxyethanol is a preservative supplied with one of their ingredients so they don’t actually add it themselves.
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I can’t really give you an answer on that because the ratio depends on a lot of factors including the composition of the materials you buy, the manufacturing conditions, the composition of the other ingredients in your system and your particular definition of “stringy.”
You have to experiment.
Right now your ratio is about 12:2:1
So, try 15:2:1
Then try 9:2:1
And see what you get.Or try 12:2:2 then 12:2:0… etc.
Formulating rarely has some simple answer. It’s why people still hire cosmetic chemists rather than just buying a recipe book.
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The EWG is not a science based organization, so their opinion related to ingredients should not be taken seriously. That’s not to say that they are wrong in all cases. But they are not a source of reliable information.
Better is to refer to the CIR report on ethylhexylglycerin.
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You’ll have to experiment with ratios of SLES : CAPB : Cocamide DEA
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Not really, although I suppose it might if you add too much.
All you have to do is to look to the marketplace for examples. EGMS body washes (and shampoos) don’t foam significantly worse than clear formulas.