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2. Kérastase - Wikipedia

   en.wikipedia.org/wiki/Kérastase

   www.kerastase.com Shopfront in Israel promoting Kérastase products in 2023 Kérastase ( French pronunciation: [keʁastaz] ) is a French luxury hair and scalp care line that distributes products internationally.

3. Iridescence - Wikipedia

   en.wikipedia.org/wiki/Iridescence

   Iridescence can for example be due to thin-film interference, the functional analogue of selective wavelength attenuation as seen with the Fabry–Pérot interferometer, and can be seen in oil films on water and soap bubbles. Iridescence is also found in plants, animals and many other items.

4. Index-matching material - Wikipedia

   en.wikipedia.org/wiki/Index-matching_material

   Without the use of an index-matching material, Fresnel reflections will occur at the smooth end faces of a fiber unless there is no fiber-air interface or other significant mismatch in refractive index. These reflections may be as high as −14 dB (i.e., 14 dB below the optical power of the incident signal). When the reflected signal returns to ...

5. Oil immersion - Wikipedia

   en.wikipedia.org/wiki/Oil_immersion

   Oil-immersion objective lenses look superficially identical to non-oil-immersion lenses. In light microscopy , oil immersion is a technique used to increase the resolving power of a microscope . This is achieved by immersing both the objective lens and the specimen in a transparent oil of high refractive index , thereby increasing the numerical ...

6. Moroccanoil - Wikipedia

   en.wikipedia.org/wiki/Moroccanoil

   Moroccanoil is an Israeli [2] [3] cosmetics company headquartered in New York City, [4] [5] [6] specializing in hair care products containing argan oil. The company was founded in 2008 in Montreal by Chilean-Canadian Carmen Tal and her Israeli then-husband Ofer Tal. [7] [8] [9]

7. Thin-film interference - Wikipedia

   en.wikipedia.org/wiki/Thin-film_interference

   In the case of a thin oil film, a layer of oil sits on top of a layer of water. The oil may have an index of refraction near 1.5 and the water has an index of 1.33. As in the case of the soap bubble, the materials on either side of the oil film (air and water) both have refractive indices that are less than the index of the film.