I could use some help with formulating...

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I could use some help with formulating...

Post by riaan on Fri Jul 16, 2010 10:43 am

I want to do a really gentle soap a colleague and her baby... Milk will be used as liquid for the lye solution...

But I was wondering what to use for the oils...

I was thinking:

Castor oil - 10%
Palm Oil - 15%
Safflower oil - 10%
lard (not sure about this) - 15%
Olive - 50%

I was thinking of adding also just a touch of Jojoba and Anhydrous Lanolin to the soap... these are hardly saponifiable and should remain in the soap as extra conditioning...

soapcalc hardness is 23
conditioning 75
Bubbly lather 9 (from castor)
creamy lather 32
and iodine number = 77 (this worries me as it is above 70)

with 50% olive I am not worried too much about the hardness... water discount could also help harden it up faster...
I don't usually go over 70 iodine... I am worried about DOS here... what are your thoughts guys...?

I can rework the recipe... Question
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Re: I could use some help with formulating...

Post by Saltysteele on Fri Jul 16, 2010 11:21 am

i made a recipe by lindy (the OMH), and that is a really gentle bar. being majorly olive oil, though, it takes quite a bit longer to harden up. it probably took 10-12 weeks to be acceptably hard. being that you're making it for a mother with her milk, i don't think she's going to be too worried about it being done soon enough, she'll most likely be patient enough for it Smile
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Re: I could use some help with formulating...

Post by Kellie on Fri Jul 16, 2010 1:02 pm

A bastile with milk is a very mild soap.
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Re: I could use some help with formulating...

Post by riaan on Fri Jul 16, 2010 2:38 pm

Thanks Kellie... I am thinking of a high olive oil soap... I am puzzled though... I am looking at a Lavender Calendula baby soap recipe on MMS website and even though it looks like a good soap recipe it has CO and Palm kernel in it... looks like a normal soap recipe... cleansing on soapcalc of 17 because of the CO and PKO I think... I was thinking of going it without CO and thats why I am a little puzzled by this...

what would you say to using CO in a soap formulated for babies... small children...? I was going to axe the CO for sure...
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Re: I could use some help with formulating...

Post by Saltysteele on Fri Jul 16, 2010 2:45 pm

i know you're asking kellie, but i wouldn't have a problem using CO in soap for a baby, so long as you kept it reasonable, and especially in a mild soap like a bastille.

just my opinion, though. Kellie is much more experienced than I (I developed my recipe with her, and a couple others back at SMF)
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Re: I could use some help with formulating...

Post by riaan on Fri Jul 16, 2010 3:12 pm

hehe... no probs bret... I was throwing the question out there for all... I'm happy you answered that... I know some people say they are sensitive to CO and thats why I thought originally to keep it out of the recipe... but to be honest... I just plugged 5% into the same recipe and the numbers popped right where I wanted them to be...

I am looking at:

Olive - 50%
Palm - 25%
Castor Oil - 15%
Coconut oil - 5%
Cacao butter - 5%

Cleansing value ala soapcalc of 4 and conditioning 70, hardness 28 but harder with the high olive oil % I'm sure...
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Re: I could use some help with formulating...

Post by Saltysteele on Fri Jul 16, 2010 5:19 pm

to me, olive oil tends to be one of those oils that, in soap, leaves "more behind," if you know what i mean? it feels like your skin has more oil in, than before it was washed (not in a dirty-feeling kind of way).
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Re: I could use some help with formulating...

Post by Kellie on Sat Jul 17, 2010 1:40 pm

I agree Bret, it seems to leave your skin nourished.

I checked it out on SM3 ( hope you don't mind) it will be a nice hard bar, with a great stable lather and be very very moisturizing. The only # that is lacking is bubbles, I would suggest adding icing sugar to the lye water before you add the lye.

SM3 numbers.
5.7 hardness
3.3 fluffy lather
7.6 stable lather
7.8 moisturizing
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Re: I could use some help with formulating...

Post by riaan on Sat Jul 17, 2010 1:50 pm

Thank you so much Kellie... of course I don't mind... Wink I couldn't be happier... if I could have checked it out I would have... hehe!! Thank you so much!

I am going to be making a balm with some of my students as a summer class activity... I might be holding back on the Cacao butter as I don't have a lot of it still and replace it with Stearic acid... that also makes it very slightly harder and more creamy bubbles that cacao Butter that has a very high stearic acid content along with palmitic content I suppose...

I will try the sugar for sure...!!

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Re: I could use some help with formulating...

Post by NewAge Nana on Sat Jul 17, 2010 1:54 pm

I did the same as Kellie (plugged it into SM3) before I scrolled down to see that she had already done that, lol. From what I can tell it apprears to be a very nice, gentle and moisturizing, safe bar for a baby.

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Re: I could use some help with formulating...

Post by riaan on Sat Jul 17, 2010 2:00 pm

Thanks Donna... I was unsure at first of adding the touch of CO but I think it just gives the soap a little more balance... if that makes sense... I only had soapcalc to go on so thank you so much for checking it out on SM3...

I was playing around with leaving it unscented or using lavender and geranium... either one of those or in a blend...

they are both gentle and good EO's so I think that'll be also baby safe... I made a blend with frankinsense and geranium before that I really liked... but I'm not sure how frankinsense EO behaves in soap...
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