COMPOSITIONS, METHODS, DEVICES, AND SYSTEMS FOR SKIN CARE
Accordingly, a need has arisen for improved compositions, methods, devices, and systems for skin care including, without limitation, topical compositions and phototherapy devices and methods. A skin care method may comprise, in some embodiments, contacting at least a portion of the skin of a subject with a homogeneous, stable, self-foaming composition, illuminating the at least a portion of the skin exclusively with light of a desired wavelength (e.g., from about 390 nm to about 430 nm, and contacting the at least a portion of the skin with an anti-oxidant serum composition.
1 . A skin care method comprising:
contacting at least a portion of the skin of a subject with a homogeneous, stable, self-foaming composition comprising (a) an effective exfoliating amount of at least one of an alpha hydroxy acid and a beta hydroxy acid, (b) a saturated dicarboxylic acid, and (c) a sulfate ester of coconut oil;
illuminating the at least a portion of the skin exclusively with light having a wavelength from about 407 nm to about 420 nm;
contacting the at least a portion of the skin with an anti-oxidant serum composition comprising superoxide dismutase.
2 . A skin care method according to claim 1 , wherein the self-foaming composition comprises an alpha hydroxy acid.
3 . A skin care method according to claim 2 , wherein the concentration of the alpha hydroxy acid in the self-foaming composition is up to about 10% (w/w).
4 . A skin care method according to claim 2 , wherein the alpha hydroxy acid in the self-foaming composition comprises glycolic acid.
5 . A skin care method according to claim 1 , wherein the self-foaming composition comprises a beta hydroxy acid.
5 . A skin care method according to claim 5 , wherein the concentration of the beta hydroxy acid in the self-foaming composition is from about 0.5% (w/w) to about 5.5% (w/w).
6 . A skin care method according to claim 5 , wherein the beta hydroxy acid in the self-foaming composition comprises salicylic acid.
7 . A skin care method according to claim 1 , wherein the illuminating further comprises illuminating the at least a portion of the skin at a light intensity of about 400 mW/cm 2 .
8 . A skin care method according to claim 1 , wherein the saturated dicarboxylic acid comprises azelaic acid.
9 . A skin care method according to claim 8 , wherein the concentration of azelaic acid is from about 0.8% (w/w) to about 1.2% (w/w).
10 . A skin care method according to claim 1 , wherein the sulfate ester of coconut oil comprises sodium coco-sulfate.
11 . A skin care method according to claim 10 , wherein the concentration of sodium coco-sulfate is from about 3% (w/w) to about 5% (w/w).
12 . A skin care method according to claim 1 , wherein the self-foaming composition further comprises cocamidopropyl betaine.
13 . A skin care method according to claim 12 , wherein the concentration of the cocamidopropyl betaine in the self-foaming composition is up to about 7.5% (w/w).
14 . A skin care method according to claim 12 , wherein the concentration of the cocamidopropyl betaine in the self-foaming composition is over about 7.5% (w/w).
15 . A skin care method according to claim 1 , wherein the self-foaming composition further comprises menthyl lactate.
16 . A skin care method according to claim 15 , wherein the concentration of the menthyl lactate in the self-foaming composition is from about 0.4% (w/w) to about 0.6% (w/w).
17 . A skin care method according to claim 1 , wherein the anti-oxidant composition comprises a beta hydroxy acid.
18 . A skin care method according to claim 17 , wherein the concentration of the beta hydroxy acid in the anti-oxidant composition is from about 0.3% (w/w) to about 2.2% (w/w).
19 . A skin care method according to claim 17 , wherein the beta hydroxy acid in the anti-oxidant composition comprises salicylic acid.
20 . A skin care method according to claim 1 further comprising rinsing off the self-foaming composition prior to the illuminating.
21 . A skin care method according to claim 20 , wherein the rinsing further comprises completely rinsing off the self-foaming composition prior to the illuminating.
22 . A homogeneous, stable, self-foaming composition comprising (a) an effective exfoliating amount of at least one of an alpha hydroxy acid and a beta hydroxy acid, (b) a saturated dicarboxylic acid; and (c) a sulfate ester of coconut oil.
23 . A homogeneous, stable, self-foaming composition according to claim 22 , wherein the concentration of the alpha hydroxy acid is up to about 10% (w/w).
24 . A homogeneous, stable, self-foaming composition according to claim 23 , wherein the alpha hydroxy acid comprises glycolic acid.
25 . A homogeneous, stable, self-foaming composition according to claim 22 , wherein the concentration of the beta hydroxy acid is up to about 5% (w/w).
26 . A homogeneous, stable, self-foaming composition according to claim 25 , wherein the beta hydroxy acid comprises salicylic acid.
27 . A homogeneous, stable, self-foaming composition according to claim 22 , wherein the saturated dicarboxylic acid comprises azelaic acid.
28 . A homogeneous, stable, self-foaming composition according to claim 27 , wherein the concentration of azelaic acid is from about 0.8% (w/w) to about 1.2% (w/w).
29 . A homogeneous, stable, self-foaming composition according to claim 22 , wherein the sulfate ester of coconut oil comprises sodium coco-sulfate.
30 . A homogeneous, stable, self-foaming composition according to claim 29 , wherein the concentration of sodium coco-sulfate is from about 3% (w/w) to about 5% (w/w).
31 . A homogeneous, stable, self-foaming composition according to claim 22 further comprising cocamidopropyl betaine.
32 . A homogeneous, stable, self-foaming composition according to claim 31 , wherein the concentration of the cocamidopropyl betaine is up to about 7.5% (w/w).
33 . A homogeneous, stable, self-foaming composition according to claim 31 , wherein the concentration of the cocamidopropyl betaine is over about 7.5% (w/w).
34 . A homogeneous, stable, self-foaming composition according to claim 22 further comprising menthyl lactate.
35 . A homogeneous, stable, self-foaming composition according to claim 34 , wherein the concentration of the menthyl lactate is from about 0.4% (w/w) to about 0.6% (w/w).
36 . A phototherapy kit comprising:
a homogeneous, stable, cleanser composition comprising an effective exfoliating amount of at least one of an alpha hydroxy acid and a beta hydroxy acid;
a phototherapy device configured to emit light having a wavelength of from about 390 nanometers to about 430 nanometers toward a target portion of a subject's skin;
an anti-oxidant composition comprising superoxide dismutase; and
instructions for applying the cleanser composition to the target portion of a subject's skin, illuminating the target portion of the subject's skin with the phototherapy device, and applying the anti-oxidant composition to the target portion of the subject's skin.
37 . A phototherapy device, the device comprising:
a housing;
a light source in the housing and configured to emit light having a wavelength of from about 390 nanometers to about 430 nanometers toward a target portion of the subject;
an optical filter interposed between the light source and the target portion of the subject and configured to reduce or eliminate light having a wavelength less than about 390 nanometers and/or light having a wavelength over about 430 nanometers;
a power supply;
a touch-sensitive switch configured to electrically couple the power supply and the light source upon contact with a subject's skin and to electrically uncouple the power supply and the light source when not in contact with a subject's skin;
a light shield configured to contact the subject's skin and reduce or eliminate exposure of non-target portions of the subject to emitted light;
an optical mixer and a diffuser interposed between the light source and the target portion of the subject; and
an output window interposed between the optical mixer and the subject.
38 . A phototherapy device according to claim 37 , wherein the optical filter is configured to filter light having a wavelength less than about 407 nanometers and filter light having a wavelength over about 420 nanometers.
39 . A phototherapy device according to claim 37 , wherein the light source comprises a light emitting diode, a laser diode, a flashlamp, or combinations thereof.
40 . A phototherapy device according to claim 37 , wherein the optical mixer comprises polymethyl methacrylate (acrylic), glass, quartz, or combinations thereof.
41 . A phototherapy device according to claim 37 , wherein the output window comprises glass, sapphire, quartz, diamond, or combinations thereof.