WO2007056569A2 - Produits autobronzants reagissant a la lumiere et procedes a employer - Google Patents

Produits autobronzants reagissant a la lumiere et procedes a employer Download PDF

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Publication number
WO2007056569A2
WO2007056569A2 PCT/US2006/043783 US2006043783W WO2007056569A2 WO 2007056569 A2 WO2007056569 A2 WO 2007056569A2 US 2006043783 W US2006043783 W US 2006043783W WO 2007056569 A2 WO2007056569 A2 WO 2007056569A2
Authority
WO
WIPO (PCT)
Prior art keywords
self
skin
tanning agent
tanning
composition
Prior art date
Application number
PCT/US2006/043783
Other languages
English (en)
Other versions
WO2007056569A3 (fr
Inventor
Virginia Scales-Medeiros
Original Assignee
Virginia Scales-Medeiros
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Virginia Scales-Medeiros filed Critical Virginia Scales-Medeiros
Publication of WO2007056569A2 publication Critical patent/WO2007056569A2/fr
Publication of WO2007056569A3 publication Critical patent/WO2007056569A3/fr

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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
    • A61K8/35—Ketones, e.g. benzophenone
    • 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
    • A61K8/60—Sugars; Derivatives thereof
    • 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
    • A61Q19/04—Preparations for care of the skin for chemically tanning the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/42—Colour properties
    • A61K2800/43—Pigments; Dyes
    • A61K2800/434—Luminescent, Fluorescent; Optical brighteners; Photosensitizers

Definitions

  • the present invention relates to self-tanning cosmetic products and methods. More particularly, a light-responsive fluorescent agent and a self-tanning agent are combined in a cosmetic composition which may be detected with a matched light source, thereby indicating the presence and extent of composition coverage.
  • Naturally tanned skin is generally accepted to be the product of the physiological development and distribution of melanin, a skin pigment.
  • melanin When skin is exposed to radiant energy, especially light in the UV region, melanin is delivered to the skin surface. There it accumulates and oxidizes, giving the skin a darkened patina. This process is believed to afford a degree of natural protection for the skin against harmful UV overexposure.
  • Tanned skin is accordingly associated with outdoor activity, and is aesthetically desirable for many people. Unfortunately, it is not always possible to spend the requisite time under radiant exposure to develop a naturally tanned appearance. Further, exposure to UV radiation in sufficient quantity to develop a tan has many associated health risks.
  • lamps which produce photo-luminescence in exposed surfaces are known in the art.
  • blacklight sources which emit long UV light
  • the self-tanning agent Without prolonged exposure to intense solar or artificial radiation, applying the self-tanning agent imparts a tanned appearance which develops several hours to a day after application.
  • the fluorescent materials absorb at one frequency, and emit at another visible frequency.
  • the admixture of self-tanning agent and fluorescent materials allows application of the self-tanning agent selectively to desired areas of the skin.
  • a light source which emits at the absorbing frequency of the fluorescent materials may be provided together with the compositions in kit form.
  • the present invention provides compositions, methods, and kits for cosmetically producing a tanned appearance in desired areas of skin.
  • the composition includes a self-tanning agent together with intimately admixed naturally-occurring fluorescent materials in a cosmetic carrier. Without prolonged exposure to intense solar or artificial radiation, applying the self-tanning agent imparts a tanned appearance which develops several hours to a day after application.
  • the fluorescent materials absorb at least one frequency, and emit at another visible frequency.
  • the admixture of self-tanning agent and fluorescent materials allows application of the self-tanning agent selectively only to desired areas of the skin.
  • a light source which emits at the absorbing frequency of the fluorescent materials maybe provided together with the compositions in kit form.
  • composition which includes a self-tanning agent together with intimately admixed fluorescent materials that clearly indicate the extent and uniformity of coverage when the composition is applied to skin.
  • composition of the present invention includes 1) a self-tanning agent, 2) a fluorescent agent, and 3) a cosmetically acceptable carrier.
  • the self-tanning agent is preferably one or more of: dihydroxyacetone, glucose, xylose, fructose, reose, ribose, pentose, arabinose, allose, tallouse, altrose, mannose galactose, lactose, sucrose, erythrose, glyceraldehyde, or 5.6-dihydroxy indole.
  • the self-tanning agent includes at least dihydroxyacetone. Combinations of dihydroxyacetone with polyols or fatty acids are also most preferable.
  • Additional preferred self-tanning agents include forskolin, a derivative of the plant
  • Pletranthus barbatus which stimulates melanin
  • DHA Rapid a mixture of DHA and the flavonoid Troxerutin, which acts as a tanning accelerator.
  • Fluorescent agents useful in the present invention may be any naturally-occurring compound or complex which absorbs light in the infrared, visible, or ultraviolet ranges of the
  • the absorption peak for the fluorescent agent may be for light of wavelengths (.lambda.) from about
  • the absorption peak is matched with readily available light sources, including blacklight, fluorescent, and incandescent bulbs which correspond to light of wave-lengths (.lambda.) 3.times.lO.sup.-7 m to about 7.8.times.lO.sup.-7 m.
  • the fluorescent agent may emit at any .lambda, from 3.90.times.l0.sup.-7 to about 7.8.times.lO.sup.-7, the visible spectrum.
  • the fluorescent agent is chosen to have a fairly narrow or defined absorption and excitation wavelength in the near ultraviolet region, which may be advantageously triggered by available UV light sources, such as a small mercury vapor lamp.
  • the fluorescent agent is preferably one or more of:optical whiteners such as Pyrazolines, Carbostyrills, naphthalimides, and pyrene Luminophores; luminophores; fluorochromes (with or without covalent bonding to the analyzed compound); reactive fluorescent dyes; Walnut Shell Extract, Silicone, Green Tea Extract, Tyrosine and psoralens, Dihydroxyacetone erythrulose avobenzone titanium dioxide, Parsol Lyphazome®, hyaluronic acid, tyrosine and CoQlO Alpha Lipoic Acid, Natural Micro Walnut Shells, Tea Tree oil, natural walnut extract and plant-der, natural oils of kukui, jojoba and green tea, glyceryl stea
  • erythrol tertranitrate 1,2-Di (2-Xenoxy) ethane
  • [Acridine, acridine picrate, acridone, anthracene, ⁇ -naphthol, dihydroacridine, dihydroanthracene,dihydrophenazine heroin, phenazine, phenazine oxide, phenoxazine, xanthone, xanthene, xanthydrol, veratrine,-in sulfuric acid], allylamine picrate, allantoin, p- aminophenol sulfate, allyl thiourea, ⁇ -nitroso- ⁇ -naphthol, ⁇ -nitro- ⁇ -naphthol, aminoacetal picrate, p-acetal aminophenol, alloxan monohydrate, butyryl pyrogallol, diacetyl aminoazotoluol, p-hydroxyphenylglyco
  • the fluorescent agent is chosen to be nontoxic and well accepted by the skin. However, fluorescent agents not normally well tolerated on the skin may still be used in microencapsulated form, whereby the agent is shielded from the actual contact with the skin through optically transmissive polymer coatins. Microencapsulation methods are well known in the art, and form no part of the present invention. The disclosure of Bradner, U.S. Pat. No. 3,988,437, discussed supra, is herein incorporated by reference. See in particular the discussion of microencapsulation in col. 6, lines 14-39. [0029]
  • the carrier may include various cosmetic bases and may take the form of a liquid, cream, lotions, ointments, powders, or the like.
  • Newer applications include foam, gel, spray, mist on, aerosol, and wash, on a disposable towel or cloth, sponge, mitt, or any other application.
  • Perfumes, vitamins, skin feel agents, and skin penetration enhancers may be optionally included in the base.
  • the cosmetic base or carrier is preferably optically transmissive to both the excitation and emission wave-lengths of the fluorescent agent. However, translucent or opaque bases may also be used, so long as sufficient amounts of the fluorescent agent are available on the exposed surface, once the cosmetic base is applied.
  • the Bradner patent, as well as the Andreadis et al. patent are again referred to as representative carrier formulations which maybe used in the present invention.
  • the self-tanning agent the carrier's efficacy in delivering the self-tanning agent to the skin, as well as any skin penetration enhancement should be considered. Accordingly, liquids, lotions, and ointments which may be substantially worked into the skin may require less of the self-tanning agent, and are therefore preferred over dry formulations such as powders.
  • the fluorescent agent is provided in amounts sufficient to provide detectable emissions upon excitation.
  • the amount of fluorescent agent present is most dependent upon the agent selected and the quantity of excitation provided thereto. These amounts are readily determined from the known characteristics of the selected fluorescent agent. For highly biocompatible agents, the concentration of fluorescent materials maybe advantageously selected to provide emission at the lowest amount of excitation. Conversely, the concentration of fluorescent agent may be decreased when a higher intensity of excitation is utilized at frequencies, of the near UV range, considered safe in the art.
  • the composition includes 0.4-25% .alpha. -hydroxy ketone and 0.5-1% dye, and the remainder carrier. Most preferably, dihydroxyacetone is included as the .alpha.-hydroxy ketone of choice.
  • the method of the present invention imparts an evenly distributed tanned appearance to desired areas of skin with the following steps.
  • a composition which includes the self-tanning agent, the fluorescent agent, and the cosmetic carrier is applied to desired areas of the skin.
  • This method allows users of self-tanning products to confidently predict and control the extent of coverage of the resultant tan.
  • the substantial removal of uncertainty is seen as a decided advantage over the prior art, where coverage may only be accessed when correction is no longer possible.
  • the present invention is most practically carried out with a kit for performing the above process.
  • This may advantageously provide a vessel containing the artificial tanning composition, and a light source capable of producing fluorescence in the composition.
  • the kit may be provided as a way to package the necessary elements of the invention storage medium, such as a compartmentalized case. The individual elements may then be optimized to work together. For example, a small mercury vapor lamp, and a composition which includes a dye which is optimally excited by the lamp may be provided in kit form.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Dermatology (AREA)
  • Emergency Medicine (AREA)
  • Cosmetics (AREA)

Abstract

La présente invention concerne des compositions, des procédés et des kits destinés à la production de produits cosmétiques conférant un aspect bronzé sur les zones de la peau souhaitées. La composition comprend un agent autobronzant mélangé intimement à des matières fluorescentes dans un excipient cosmétique. L’application d’un agent autobronzant confère un aspect bronzé qui se développe quelques heures voire un jour après l’application et ce, sans nécessiter d’exposition prolongée à un rayonnement solaire ou artificiel intense. Les matières fluorescentes absorbent à une fréquence et émettent à une autre fréquence visible. Le mélange d’agent autobronzant et de matières fluorescentes permet l’application sélective de l’agent autobronzant sur les zones de la peau souhaitées. Une source lumineuse qui émet à la fréquence d’absorption des matières fluorescentes peut être obtenue avec les compositions sous la forme d’un kit. En éclairant la peau après avoir appliqué la composition et avant que l’agent autobronzant ne développe sa couleur, on peut facilement retirer tout recouvrement de zones non désirées et l’on peut détecter facilement tout oubli de zone à traiter et la soumettre à une nouvelle application.
PCT/US2006/043783 2005-11-08 2006-11-08 Produits autobronzants reagissant a la lumiere et procedes a employer WO2007056569A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73449005P 2005-11-08 2005-11-08
US60/734,490 2005-11-08

Publications (2)

Publication Number Publication Date
WO2007056569A2 true WO2007056569A2 (fr) 2007-05-18
WO2007056569A3 WO2007056569A3 (fr) 2008-07-03

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010004528A1 (fr) * 2008-07-10 2010-01-14 L'oreal Procédés de traitement d'une matière kératineuse et appareil pour mettre en œuvre de tels procédés
US20100139682A1 (en) * 2008-11-13 2010-06-10 Albert Durr Edgar Method and apparatus for precise deposition of hair care agents
US8695610B2 (en) 2008-07-10 2014-04-15 L'oreal Method of applying makeup and apparatus for implementing such a method
US10117500B2 (en) 2008-07-10 2018-11-06 L'oreal Makeup method and a device for implementing such a method
CN111205382A (zh) * 2020-02-12 2020-05-29 大连理工大学 光响应三元乙丙橡胶及其制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6126924A (en) * 1999-05-27 2000-10-03 Scales-Medeiros; Virginia A. Light responsive self-tanning products and methods for use

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6126924A (en) * 1999-05-27 2000-10-03 Scales-Medeiros; Virginia A. Light responsive self-tanning products and methods for use

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010004528A1 (fr) * 2008-07-10 2010-01-14 L'oreal Procédés de traitement d'une matière kératineuse et appareil pour mettre en œuvre de tels procédés
FR2933584A1 (fr) * 2008-07-10 2010-01-15 Oreal Procedes de traitement des matieres keratiniques et appareil pour la mise en oeuvre de tels procedes
US8695610B2 (en) 2008-07-10 2014-04-15 L'oreal Method of applying makeup and apparatus for implementing such a method
US10117500B2 (en) 2008-07-10 2018-11-06 L'oreal Makeup method and a device for implementing such a method
US20100139682A1 (en) * 2008-11-13 2010-06-10 Albert Durr Edgar Method and apparatus for precise deposition of hair care agents
CN111205382A (zh) * 2020-02-12 2020-05-29 大连理工大学 光响应三元乙丙橡胶及其制备方法
CN111205382B (zh) * 2020-02-12 2021-05-11 大连理工大学 光响应三元乙丙橡胶及其制备方法

Also Published As

Publication number Publication date
WO2007056569A3 (fr) 2008-07-03

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