Abstract: In various exemplary embodiments a method for determining the waviness index of hair is provided. The method may comprise the steps of determining and/or establishing at least one hair examination region in at least one digital image, in which hair is depicted, determining a plurality of different brightness values in the hair examination region, and determining the waviness index of hair on the basis of the plurality of brightness values.

Abstract: The subject of the present disclosure is a process for dyeing human hair, in which a pretreatment agent (A) which contains at least one organic silicon compound of the formula (I) and/or (II) and contains no direct dyes and no pigments, and a colorant (B) which contains at least one organic silicon compound of the formula (I) and/or (II) and further contains at least one colorant compound from the group of direct dyes and/or pigments, can be applied to the hair, wherein the organic silicon compounds of formulae (I) and (II) are defined as follows R1R2N-L-Si(OR3)a(R4)b??(I), (R5O)c(R6)dSi-(A)e-[NR7-(A?)]f—[O-(A?)]g-[NR8-(A??)]h—Si(R6?)d?(OR5?)c???(II).

Abstract: The object of the present disclosure is a multi-component packaging unit (kit-of-parts) for dyeing keratinous fibers, in particular human hair, which contains separately from one another a first container containing a first cosmetic preparation (A) and a second container containing a second cosmetic preparation (B), where the first cosmetic preparation (A) contains at least one specific organic silicon compound corresponding to formula (I) (R1O)a(R2)bSi-(A)c-[NR3-(A?)]d-[O-(A?)]e-[NR4-(A??)]f-Si(R2?)b?(OR1?)a???(I), and the second cosmetic preparation (B) contains water. A second subject-matter of the present disclosure is a process for dyeing hair using the preparations (A) and (B) described above.

Abstract: The present invention concerns a cosmetic product for modifying the natural color of keratinous fibers, in particular human hair, comprising at least one packaging (VP) and a cosmetic composition (KM) contained in this packaging (VP). The packaging is made of a multi-layer film (F) comprising at least two polymer layers (P1) and (P2) and at least one barrier layer (BS). The cosmetic composition comprises at least one oxidizing agent, at least one C8-C30 alcohol, at least one specific anionic surfactant, at least one non-ionic surfactant and at least one acrylic-based thickening agent. The use of the packaging (VP) in combination with the cosmetic composition (KM) does surprisingly not lead to an inflation of the packaging or an excessive water loss of the agent (KM) during storage.

Abstract: The present disclosure concerns a cosmetic product for modifying the natural colour of keratinous fibres, in particular human hair, comprising at least one packaging (VP) and a cosmetic composition (KM) contained in this packaging (VP). The packaging is made of a multilayer film (F) containing at least two polymer layers (P1) and (P2) and at least one barrier layer (BS). The cosmetic composition comprises at least one oxidizing agent, at least one C8-C30-alcohol, at least one specific anionic surfactant, at least one non-ionic surfactant and at least one acrylic acid-based thickener. The use of the packaging (VP) in combination with the cosmetic composition (KM) surprisingly does not lead to an inflation of the packaging or an excessive loss of water of the agent (KM) during storage.

Abstract: The present disclosure concerns a bleaching tablet comprising a tablet core and a tablet shell encasing the tablet core, wherein the bleaching tablet—with respect to its weight—contains a) from about 10% to about 70% by weight of peroxodisulphate(s); b) from about 1% to about 14% by weight of percarbonate(s); c) from about 5% to about 15% by weight of disintegrant formed from cellulose-containing material, wherein the percarbonate or the percarbonates are contained in the tablet core. The present disclosure furthermore concerns a method for bleaching human hair.

Abstract: The present disclosure concerns a cosmetic product for modifying the natural color of keratinous fibers, in particular human hair, comprising at least one packaging (VP) and a cosmetic composition (KM) contained in this packaging (VP). The packaging is made of a multi-layer film (F) comprising at least two polymer layers (P1) and (P2) and at least one barrier layer (BS). The cosmetic composition comprises at least one oxidizing agent and at least one thickening agent from the xanthane group. The use of the packaging (VP) in combination with the cosmetic composition (KM) does surprisingly not lead to an inflation of the packaging or an excessive water loss of the agent (KM) during storage.

Abstract: The present invention concerns a cosmetic product for modifying the natural color of keratinous fibers, in particular human hair, which contains at least one packaging (VP) and a cosmetic composition (KM) contained in this packaging (VP). The packaging is made of a multi-layer film (F) comprising at least two polymer layers (P1) and (P2) and at least one barrier layer (BS). The cosmetic composition comprises at least one oxidizing agent, at least one C8-C30 alcohol and at least one non-ionic surfactant. The use of the packaging (VP) in combination with the cosmetic composition (KM) surprisingly does not lead to an inflation of the packaging or an excessive water loss of the agent (KM) during storage.

Abstract: The present disclosure relates to a non-oxidative agent for dyeing keratin fibers, in particular human hair, containing in a cosmetic carrier at least one direct dye and sodium polyacrylate. Furthermore, the present disclosure relates to a method for non-oxidative, preferably semi-permanent, coloring of keratin fibers, in particular human hair, using the agent as contemplated herein.

Abstract: The present disclosure concerns a cosmetic product for modifying the natural color of keratinous fibers, in particular human hair, comprising at least one packaging (VP) and a cosmetic composition (KM) contained in this packaging (VP). The packaging is made of a multi-layer film (F) comprising at least two polymer layers (P1) and (P2) and at least one barrier layer (BS). The cosmetic composition comprises at least one oxidizing agent, at least one C8-C30 alcohol and at least one non-ionic surfactant. The use of the packaging (VP) in combination with the cosmetic composition (KM) does surprisingly not lead to an inflation of the packaging or an excessive loss of water of the agent (KM) during storage.

Abstract: In various exemplary embodiments, a device for determining the gloss value of hair is provided. The device includes a light source for illuminating at least one hair with light, where the at least one hair is arranged to extend along a cylinder section-like carrier in such a way that a plurality of adjacent hair sections is arranged essentially perpendicular to a cylinder axis. The device further includes a portable camera for capturing a digital image of the at least one hair during illumination and a portable electronic data processing device for determining a gloss value of the hair based on the digital image.

Abstract: A system for determining a hair condition is provided. The system includes a portable sensor device having at least one sensor for detecting at least one sensor value on hairs of a user, and a data processing device. The data processing device is set up to determine whether, in addition to the at least one sensor value, at least one further sensor value from a further sensor device, and is set up to determine the hair condition of the user based on the detected at least one sensor value in a case where it has been determined that only the at least one sensor value is provided, or based on the provided at least one sensor value and the provided at least one further sensor value in a case where it has been determined that the at least one further sensor value is provided.

Abstract: A method and a device for determining a degree of thermal hair damage are provided. A method for determining a degree of thermal hair damage includes, during exposure of a hair sample of hair to UV or UV/VIS light, recording a spectrum of at least a portion of the UV or UV/VIS light that has interacted with the hair sample. Further, the method includes comparing at least a portion of the spectrum with a spectroscopic calibration model obtained using UV or UV/VIS spectra and degrees of thermal damage of a plurality of calibration hair samples. Also, the method includes determining the degree of thermal hair damage by using the comparison.

Abstract: The present disclosure relates to an agent for the oxidative changing of the colour of keratin fibres, containing—in relation to its total weight— (a) one or more percompounds from the group of sodium percarbonate, potassium percarbonate, sodium perborate and potassium perborate in a total amount of from about 0.5 to about 14.0% by weight, and (b) one or more persulfates from the group of ammonium persulfate, potassium persulfate, and sodium persulfate in a total amount of from about 5.0 to about 60.0% by weight, and (c) less than about 10.0% by weight water.

Abstract: The present disclosure concerns a bleaching tablet comprising a tablet core and a tablet shell encasing the tablet core, wherein the bleaching tablet—with respect to its weight—contains a) from about 10% to about 70% by weight of peroxodisulphate(s); b) from about 1% to about 14% by weight of percarbonate(s); c) from about 5% to about 15% by weight of disintegrant formed from cellulose-containing material, wherein the percarbonate or the percarbonates are contained in the tablet core. The present disclosure furthermore concerns a method for bleaching human hair.

Abstract: The subject of the present disclosure is a blonding agent for changing the natural color of keratinic fibers, in particular human hair, which contains a) sodium percarbonate, b) sodium chloride and further from 0 to about 8% by weight of water. Furthermore, the present disclosure relates to a method for blonding human hair.

Abstract: The present disclosure relates to a cosmetic agent for bleaching human hair, comprising (i) a package comprising at least one multi-layer film, which comprises at least one metal-containing layer as a barrier layer, and (ii) a bleaching agent composition, which is contained in the package, wherein the bleaching agent composition contains at least one percarbonate, at least one inorganic salt of a peroxysulfuric acid, and at least one thickener. The present disclosure also relates to a method for bleaching human hair.

Abstract: The present disclosure relates to blonding agents which serve as a lightening agent for keratinic fibers, in particular human hair. Furthermore, the present disclosure relates to a cosmetic product comprising the blonding agent contained in a packaging impermeable to water vapor. Furthermore, the present disclosure relates to a method for blonding human hair. The blonding agent is an anhydrous, powdered cosmetic composition, wherein the cosmetic composition contains at least one oxidizing compound and a mixture of thickening agents.

Abstract: The present disclosure relates to a cosmetic agent for blonding human hair comprising (i) a package comprising at least one multilayer film comprising at least one metal-containing layer as a barrier layer, and (ii) a bleaching agent composition contained in the package, the bleaching agent composition containing at least one percarbonate and at least one inorganic salt of a peroxosulfuric acid. Furthermore, the present disclosure relates to a method for blonding human hair.

Abstract: The present disclosure pertains to the field of cosmetics and concerns a cosmetic product for changing the natural colour of keratinous fibres, in particular human hair, comprising (i) at least one package (VP) comprising a water-soluble film (F), (ii) at least one cosmetic composition (KM) which is packaged in the package (VP) and contains at least one oxidizing compound, (iii) at least one cosmetic colour composition (FZ) which is packaged in the package (VP), wherein the oxidizing compound is a solid oxidizing agent. Furthermore, the present disclosure relates to a method for colouring hair.