Formulas of Feminine Hygiene Products Deciphered

Dec 12, 2012 | Contact Author | By: Luigi Rigano, PhD, Studio Rigano Industrial Consulting Laboratories
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Title: Formulas of Feminine Hygiene Products Deciphered
feminine hygienex pHx acidity bufferingx cleansingx deodorizingx probioticsx moisturizationx
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Keywords: feminine hygiene | pH | acidity buffering | cleansing | deodorizing | probiotics | moisturization

Abstract: When personal care products are formulated to maintain the hygiene of the external genital area, specifically the female genitalia, they must have distinctive characteristics. These products must address the female genitalia’s complex anatomy, physiological elements and role in body metabolism and reproductive functions.

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The term hygiene here is defined as actions or behaviors that maintain the health and well-being of the body. The word hygiene comes from the Greek term hugieinē technē, which means “the healthful art” and “having a vigorous life.” When personal care products are formulated to maintain the hygiene of the external genital area, specifically the female genitalia, they must have distinctive characteristics. These products must address the female genitalia’s complex anatomy, physiological elements and role in body metabolism and reproductive functions.

Female Anatomy

The vaginal channel, which is open to the environment through the external genital organs, is characterized by a distinctive and complex equilibrium, variable in cyclic phases during a woman’s life. This multitasking area’s uniqueness has led it to be referred to as the vaginal ecosystem.1 Its equilibrium is determined by three fundamental elements: glycogen in the vaginal epithelium tissue;2the activity of saprophyte bacterial species;3 and the presence of lactic acid. Among the many species that colonize the human body, Lactobacillus doderlein has a positive influence for the vaginal area, as it produces lactic acid in normal, healthy conditions.3 The presence of lactic acid determines local acidic pH values, more acidic than in any other epidermal district.

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Biography: Luigi Rigano, PhD, Studio Rigano Industrial Consulting Laboratories

Luigi Rigano, PhD, is a consultant for the cosmetics industry, co-director of the Institute of Skin and Product Evaluation (ISPE), and head of Studio Rigano Industrial Consulting Laboratories, a laboratory he founded in 1986. He spent more than 15 years in R&D, production and technical positions at Unilever, Intercos, Givaudan and Schering-Plough Corp., and is an active member of the International Federation of Societies of Cosmetic Chemists (IFSCC) and of the register of chemists in the Lombardia region of Italy. Rigano serves as a consultant at the Milan Court and has authored more than 80 scientific articles on cosmetics, aesthetics and dermatology.

a-b

a Feat 3B Action Cream is a product manufactured by Neat Feat, Glenfield, New Zealand.
b Dermosoft Decalact Liquid (INCI: Sodium Caproyl/Lauroyl Lactyl Lactate; Triethylcitrate) is a product manufactured by Dr. Straetmans, Hamburg, Germany.

Formula 1. Intimate hygiene cleanser

Water (aqua) qs to 100.00% w/w
Chelating Agent 0.10-0.50
Allantoin 0.10-0.20
Panthenol 0.10-0.50
Potassium Chloride 0.50-1.00
Lactic Acid 1.00-2.00
Sodium Hydroxide 0.30-0.50
Zinc Coceth Sulfate 5.00-7.00
Water (aqua) (and) Magnesium Laureth Sulfate 5.00-7.00

Water (aqua) (and) Potassium Undecylenoyl Hydrolyzed Wheat Protein

5.00-7.00
Potassium Cocoyl PCA 0.50-1.00
Laureth-9 (and) PEG-90 Glyceryl Isostearate 0.50-1.00
Fragrance (parfum) qs
Preservatives qs
Styrene/Acrylates Copolymer 0.50-1.00

Formula 2. Intimate lubricating hydro-gel

Water (aqua) qs to 100.00% w/w
Chelating Agent 0.10-0.50
Glycerin 7.00-10.00
Preservatives qs
Hydroxyethyl Cellulose 1.00-1.50
Allantoin 0.10-0.20
Echinacea Pallida 0.01-0.05
Dextran 0.05-0.10
Titanium Dioxide (and) Alumina (and) Simethicone 0.10-0.20
Lactic Acid 0.50-1.00
Sodium Hydroxide 0.15-0.30
Water (aqua) (and) Polyquaternium-7 1.00-2.00
Olea Europaea 0.05-0.10
Phospholipis (and) Tocopherol 0.10-0.20
Tocotrienols 0.05-0.10
Alcohol (and) Lecithin 0.10-0.30

Formula 3. Lubricating lipo gel

Hydrogenated Polydecene qs to 100.00% w/w
Triethylhexanoin 10.00-15.00
Ceramide-3 0.02-0.05
Phytosphingosine 0.05-0.10
Antioxidant 0.02-0.05
Thickening Agent 10.00-15.00
Synethetic Beeswax 3.00
Butyrospermum Parkii Butter 10.00-15.00
Shorea Stenoptera Butter 2.00-5.00
Cyclopentasiloxane 10.00-18.00
Soothing Agents 0.50
Tocopherol 0.50
Tocotrienols 0.01
Preservatives qs

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