WO2012019788A1 - Herstellung von farbneutralen kosmetischen formulierungen enthaltend silber - Google Patents
Herstellung von farbneutralen kosmetischen formulierungen enthaltend silber Download PDFInfo
- Publication number
- WO2012019788A1 WO2012019788A1 PCT/EP2011/054322 EP2011054322W WO2012019788A1 WO 2012019788 A1 WO2012019788 A1 WO 2012019788A1 EP 2011054322 W EP2011054322 W EP 2011054322W WO 2012019788 A1 WO2012019788 A1 WO 2012019788A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- skin
- preparation according
- silver
- oil
- cosmetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/365—Hydroxycarboxylic acids; Ketocarboxylic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/007—Preparations for dry skin
Definitions
- the invention relates to production of color-neutral cosmetic formulations containing silver. All amounts are - unless otherwise stated - percentages by weight based on the total mass of the preparation.
- Silver in the context of the present specification are all silver salts and silver complexes.
- Complex constant in the sense of the present specification means a constant ratio of citrate to silver, expressed by a fixed molar ratio. The molar ratio is also called complex constant and is calculated from the quotient:
- the Elias skin model recognized in the art (PM Elias, Structure and Function of the Stratum Corneum Permeability Barrier, Drug Dev. Res. 13, 1988, 97-105) describes the horny layer as a two-component system, similar to a brick wall (Brick wall). mortar model).
- the horny cells (corneocytes) correspond to the bricks and the complex composite lipid membrane in the intercellular spaces corresponds to the mortar.
- This system is essentially a physical barrier to hydrophilic substances, but due to its narrow and multi-layered structure, it is also difficult to pass by lipophilic substances.
- the special structure of the horny layer protects the skin and stabilizes its own flexibility by binding a defined amount of water.
- Cosmetic skincare primarily means that the natural function of the skin acts as a barrier against environmental influences (eg dirt, chemicals, microorganisms) and against the loss of endogenous substances (eg water, natural fats, electrolytes) strengthened or restored.
- environmental influences eg dirt, chemicals, microorganisms
- endogenous substances eg water, natural fats, electrolytes
- the barrier effect of the skin can be quantified by determining the transepidermal water loss (TEWL). It is the evaporation of water from the inside of the body without the inclusion of water loss during sweating.
- the determination of the TEWL value has proved extremely informative and can be used to diagnose cracked or chapped skin, to determine the compatibility of chemically different surfactants and the like.
- the water content in the uppermost layer of skin is of utmost importance. It can be favorably influenced to a limited extent by introducing moisture regulators.
- Anionic surfactants which are generally components of cleansing formulations, can increase the pH in the horny layer for a long time, severely hampering regenerative processes that serve to restore and renew the barrier function of the skin. In this case, in the horny layer between regeneration and the loss of essential substances by regular extraction, a new, often very unfavorable equilibrium state, which significantly affects the appearance of the skin and the physiological functioning of the horny layer.
- the lipids of the horny layer consist essentially of ceramides, free fatty acids, cholesterol and cholesterol sulfate and are distributed over the entire horny layer.
- the composition of these lipids is crucial for the intact functioning of the epidermal barrier and thus for the impermeability of the skin.
- Atopic eczema is a chronic, non-contagious skin disease that belongs to the atopic diseases.
- eczema atopic dermatitis and endogenous eczema. It is also referred to as Chronic Constitutional Eczema, Asthma Eczema and Prurigo Besnier.
- the main symptoms are red, scaly, sometimes oozing eczema on the skin and a strong itching.
- the disease progresses in batches and has an individual, age-dependent appearance.
- Atopic dermatitis is considered incurable but treatable.
- the therapy consists mainly of the treatment of the characteristic skin dryness and the external application of anti-inflammatory agents. There are also various other treatment options available, the effectiveness of which must prove in each case. There are numerous products for the care, treatment and cleaning of dry and stressed skin.
- the skin After discontinuation of the application of the product, the skin then returns very quickly to the state before the start of treatment. In addition, the skin care effect may be reduced with regular treatment, so that the status quo is finally regained even during treatment. For certain products, the condition of the skin may temporarily worsen after weaning. As a rule, a sustainable product effect is not achieved or only to a limited extent.
- the effect of some pharmaceutical preparations on the barrier function of the skin even exists in a selective barrier damage which is supposed to enable active substances to penetrate into or through the skin into the body. A disturbed appearance of the skin is partially accepted as a side effect. Essentially, the effect of nourishing cleansing products is on the efficient refatting with sebum lipid-like substances.
- the appearance of the dry skin is currently treated essentially with moisturizing and occlusive emulsions which hydrate the horny layer.
- a treatment is unspecific and does not change the causes which lead to the development of dry skin, in particular nothing about the causes of the barrier weakness and / or hyperproliferation or differentiation disorder.
- silver citrate unlike other silver salts, e.g. B. formulate silver nitrate color neutral. Particularly important here were the pH and the citrate concentration of the formulation. Essential here is a citrate excess in comparison to the amount of silver used.
- Silver in cosmetic formulations is well known. In this case, elemental silver is always used which negatively influences the color of the product in the manner described.
- a cosmetic preparation containing sodium citrate and silver citrate having a complex constant of less than 100, more preferably less than 80, most preferably less than 55 is characterized in that the formulations are colored and formulated long-term stability, which remedies the deficiencies of the prior art.
- the invention thus relates to a cosmetic preparation which is long-term stable with respect to color and formulation containing sodium citrate and silver citrate having a complex constant of less than 100, more preferably less than 80, most preferably less than 55. This achieves the known discoloration a silver ion-containing formula in the gray / greenish can not be observed.
- glycerol it is preferred if 5 to 15 wt .-% glycerol are included. Further, it is preferable if 0.45 to 1.5 wt% of PEG-40 stearate is contained. It is particularly preferred if 1 to 3 wt .-% glyceryl stearate are included. It is further preferred if
- Grapeseed oil is included. It is particularly preferred if 1 to 12 wt .-%
- Grapeseed oil are included. It is further preferred if evening primrose oil is included. It is particularly preferred if 1 to 12 wt .-% evening primrose oil are included. It is very particularly preferred if grapeseed oil and evening primrose oil are contained. Exceptionally particularly preferred is when 2 to 24 wt .-% grape seed oil and
- primrose oil are included, more preferably in a mass ratio of 1: 1 1 to 1 1: 1. It is further preferred if 1, 2-alkadiols are included.
- the invention also encompasses the use of preparations according to the invention for the care of the skin. This will achieve / enable cosmetically attractive formulas to be offered for them. Furthermore, the invention comprises the use of preparations according to the invention for the cosmetic and non-therapeutic treatment of dry Skin and for the cosmetic and non-therapeutic treatment of skin affected by atopic dermatitis. This ensures that even for atopic skin cosmetically attractive formulas with silver ions can be offered.
- Such preparations may additionally contain chemical and mineral and organic particulate UV filters, powder raw materials, silicone compounds, natural and synthetic polymers, natural and synthetic oils, saturated and unsaturated hydrocarbons, preservatives, organic and inorganic salts, antioxidants, alcohols including polyols, aldehydes, acids, Ethers, esters, perfumes, peg-free emulsifiers, anionic see emulsifiers, cationic emulsifiers, polymeric emulsifiers, bases, skin-rejuvenating agents, skin-tightening agents, tanning agents, antiperspirants, raw materials from renewable sources
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Dermatology (AREA)
- Cosmetics (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112011102428T DE112011102428A5 (de) | 2010-07-19 | 2011-03-22 | Herstellung von farbneutralen kosmetischen Formulierungen enthaltend Silber |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010027628.6 | 2010-07-19 | ||
| DE201010027628 DE102010027628A1 (de) | 2010-07-19 | 2010-07-19 | Herstellung von farbneutralen kosmetischen Formulierungen enthaltend Silber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012019788A1 true WO2012019788A1 (de) | 2012-02-16 |
Family
ID=44144812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2011/054322 Ceased WO2012019788A1 (de) | 2010-07-19 | 2011-03-22 | Herstellung von farbneutralen kosmetischen formulierungen enthaltend silber |
Country Status (2)
| Country | Link |
|---|---|
| DE (2) | DE102010027628A1 (de) |
| WO (1) | WO2012019788A1 (de) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060115440A1 (en) | 2004-09-07 | 2006-06-01 | Arata Andrew B | Silver dihydrogen citrate compositions |
| US20070185350A1 (en) * | 2003-08-28 | 2007-08-09 | Arata Andrew B | Anhydrous silver dihydrogen citrate compositions |
| EP1839645A1 (de) * | 2006-03-06 | 2007-10-03 | Beiersdorf AG | Kosmetische oder dermatologische Emulsionen enthaltend Licocalchon A oder einen Licocalchon A enthaltenden Extrakt aus Radix Glycyrrhizae inflatae |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006010489U1 (de) | 2006-07-06 | 2006-10-26 | Buck, Martin, Dipl.-Ing. | Schienenfahrzeug |
-
2010
- 2010-07-19 DE DE201010027628 patent/DE102010027628A1/de not_active Withdrawn
-
2011
- 2011-03-22 DE DE112011102428T patent/DE112011102428A5/de not_active Withdrawn
- 2011-03-22 WO PCT/EP2011/054322 patent/WO2012019788A1/de not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070185350A1 (en) * | 2003-08-28 | 2007-08-09 | Arata Andrew B | Anhydrous silver dihydrogen citrate compositions |
| US20060115440A1 (en) | 2004-09-07 | 2006-06-01 | Arata Andrew B | Silver dihydrogen citrate compositions |
| EP1839645A1 (de) * | 2006-03-06 | 2007-10-03 | Beiersdorf AG | Kosmetische oder dermatologische Emulsionen enthaltend Licocalchon A oder einen Licocalchon A enthaltenden Extrakt aus Radix Glycyrrhizae inflatae |
Non-Patent Citations (3)
| Title |
|---|
| ANONYMOUS: "CIBA TINOSAN SDC", INTERNET CITATION, October 2009 (2009-10-01), pages 1 - 50, XP002548625, Retrieved from the Internet <URL:http://www.ciba.com/ext-hpc-new2007q4prestsdc20070919.pdf?wobj=62680> [retrieved on 20091001] * |
| J. FALBE, M. REGITZ: "Römpp Chemie Lexikon", 1990, GEORG THIEME VERLAG, pages: 2311, XP002658265 * |
| P. M. ELIAS: "Structure and Function of the Stratum Corneum Permeability Barrier", DRUG DEV. RES., vol. 13, 1988, pages 97 - 105 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112011102428A5 (de) | 2013-04-25 |
| DE102010027628A1 (de) | 2012-01-19 |
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