Natural Hair Dyes, Self-tanning Solutions and Other Topics: Literature Findings

Nov 1, 2009 | Contact Author | By: Charles Fox, Independent Consultant
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Title: Natural Hair Dyes, Self-tanning Solutions and Other Topics: Literature Findings
patentx
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Keywords: patent

Abstract: This month’s survey of recent patent and research literature describes moneymaking ideas for personal care product development, including fatty acid combinations for in-shower moisturization, stabilizing UV absorbers, travoprost to prevent hair loss and glycyrrhizine in self-tanners, among others.

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Skin and Skin Care 
Pyrus pyrifolia wrinkle reduction: Ansung Machum Association introduced an antiwrinkle and antiaging cosmetic composition containing 0.05–5.0% w/w Pyrus pyrifolia extract.1 The composition is said to exhibit: an antioxidant effect due to DPPH-eliminating activity; hydroxyl-eliminating, superoxide anion-eliminating and singlet-oxygen-eliminating activity; and a skin-lightening effect due to tyrosinase and melanin synthesis inhibition. In addition, the composition imparts an antiwrinkle effect due to elastase and collagenase inhibition, and an anti-inflammation effect due to lipoxygenase inhibition. The composition is said to inhibit skin aging and reduce the appearance of wrinkles. Also, it has low toxicity.

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Formula 1. Antiwrinkle cleansing gel3

1,6-Hexanediol 6.00% w/w
Glycolic acid 3.80
Decyl glucoside 3.00
Sodium hydroxide 1.05
Dehydroxanthan gum 1.03
L-arginine 0.40
PEG-7 glyceryl cocoate 0.40
Fragrance (parfum) 0.10
Olea europea (olive) leaf extract 0.20
 Water (aqua) qs to 100.00

Formula 2. Hair dye with natural dyes7

Xanthan gum (Keltrol CG, CP Kelco) 0.50% w/w
Algin (Texamid 558, Cognis) 0.50
Glycerin 10.00
Ethanol 12.00
Coco-glucoside (Plantacare 818, Cognis) 0.40
Dipropylene glycol (and) Lawsonia inermis (henna) leaf extract (Henna Concentrate Red Coloring HS 2686 G, Grau) 0.40
Dipropylene glycol (and) Lawsonia inermis (henna) leaf extract (and) Indigofera tinctoria extract (Henna Concentrate Black Coloring HS 2687 G, Grau) 2.00
1,3-Dihydroxyacetone 2.00
Erythrulose  3.00
Orange oil 0.10
Water (aqua) qs to 100.00

Formula 3. Hair relaxer9

First Agent  
Isopropanol 0.260%w/w
Hydrochloric acid, 1M 0.700
Methyltriethoxysilane 1.000
Tetraethoxysilane 0.110
Acetic acid 0.100
Polyoxyethylene-modified dimethicone 0.001
Polyacetal resin 0.170
Triethanolamine 0.001
Ethanol qs to 100.000
Second Agent  
Tetrahydroxypropylethylenediamine 0.300
Ethanol qs to 100.000

Formula 4. Mascara11

Candelilla wax 16.00% w/w
Carnauba wax 4.00
Jojoba oil 5.00
Black iron oxide 7.00
Gum arabic 3.40
Hydroxyethyl cellulose 0.90
Potassium cetyl phosphate 2.50
Steareth-20 5.00
Steareth-2 2.00
Cetyl alcohol 2.30
Preservatives  qs
Water (aqua) qs to 100.00

Formula 5. Lip gloss12

Diisostearyl malate 9.35% w/w
Stearoyl inulin 1.15
C15-19 alkane 9.24
Silica di-Me silicate 1.26
Hydrogenated polyisobutene gel 27.00
Polybutene 32.00
Polyethylene  1.00
Vinylpyrrolidone/hexadecene copolymer   4.00
Diisopropyl dimer dilinoleate 4.80
Preservatives 0.10
Pigments 0.10
Mica 10.00
  100.00

Formula 6. Self-tanning lotion14

Stearic acid 2.00% w/w
Dicaprylyl ester 3.00
Octyldodecanol 2.00
C12-15 alkyl benzoate 4.00
Cetyl alcohol 2.00
Cetearyl ethylhexanoate (and) isopropylmyristate 2.00
Glycerin 6.00
Ethylhexyl methoxycinnamate 2.00
Titanium dioxide 1.00
Cetyl palmitate 1.00
Glyceryl stearate 1.00
Phenoxyethanol 0.40
Butyl-methyoxydibenzoyl methane 2.00
Fragrance (parfum) qs
EDTA 0.20
Carbomer 0.20
Magnesium aluminum silicate 0.20
Methylparaben  0.10
Vitamin A acetate 0.10
Glycyrrhetic acid 0.10
Propylparaben 0.05
BHT 0.05
Dihydroxyacetone 1.00
Water (aqua) qs to 100.00

Formula 7. O/W self-tanning cream16

Ceteareth-11 (Marlipal 1618/11, Sasol Gmbh-Marl) 3.00% w/w
Cetearyl alcohol (Lanette O, Cognis) 7.00
Cetearyl ethylhexanoate (Luvitol EHO, BASF ) 5.00
C12-15 alkyl benzoate (Tegosoft TN, Degussa) 2.50
Caprylic/capric triglyceride (Miglyol 812N, Sasol ) 2.50
Propylparaben 0.05
Dihydroxyacetone-ortho-ethyl acetate 5.00
Propylene glycol 4.00
Methylparaben 0.15
Water (aqua) qs to 100.00

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