Skin care compositions comprising vitamin B3 and preservative
A skin care composition and the technology of the composition are applied in the directions of medical preparations containing active ingredients, drug combinations, preparations for skin care, etc., and can solve problems such as irritation and dryness.
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[0174] Methods of preparation of the compositions of the present invention are generally conventional methods known in the art of preparing topical compositions. These methods generally involve mixing the ingredients into a relatively uniform state in one or more steps, with or without heating, cooling, vacuum, and the like. Ways to Regulate Skin Condition
[0175] The compositions of the present invention are useful for regulating the condition of mammalian skin (particularly human skin, more particularly human facial skin), including visible and / or tactile skin unevenness, signs of skin aging, and skin aging-related Visible and / or tactile unevenness (including fine lines, wrinkles, large pores, surface roughness, and other textural unevenness associated with aging skin) These modulations include prophylactic and therapeutic modulations.
[0176] Regulating skin condition generally involves applying to the skin a safe and effective amount of a composition of the present i...
Embodiment 1
[0184] Phase A components were first combined and sparged with nitrogen for about 15 minutes. The Phase B components were then dispersed into Phase A with a paddle mixer until homogeneous and heated to about 75°C. In a separate vessel, combine Phase C ingredients and heat to about 75°C. The mixture of Phase A and Phase B was then blanketed with a slow steady stream of nitrogen. The Phase C ingredients are then homogenized into the Phase A and Phase B mixture in about 15 minutes using any rotor / stator type homogenizer. After 15 minutes, turn the mixer off to low speed sweep mixing. The Phase D components are then combined and added to the Phase A, B and C mixture. Once phase D is mixed in and the batch mixture is homogeneous, cool the entire batch. When the batch has cooled to about 50°C, add the Phase E ingredients and homogenize. When the batch had cooled to about 40°C, the Phase F ingredients were added. Finally, when the batch had cooled to about 30°C, the Ph...
Embodiment 2
[0188] Phase A components were first combined and sparged with nitrogen for about 15 minutes. The Phase B components were then dispersed into Phase A with a paddle mixer until homogeneous and heated to about 75°C. In a separate vessel, combine Phase C ingredients and heat to about 75°C. The mixture of Phase A and Phase B was then blanketed with a slow steady stream of nitrogen. The Phase C ingredients are then homogenized into the Phase A and Phase B mixture in about 15 minutes using any rotor / stator type homogenizer. After 15 minutes, turn the mixer off to low speed sweep mixing. When the batch is homogeneous, cool the entire batch mix. When the batch has cooled to about 50°C, add the Phase D ingredients and homogenize. When the batch had cooled to about 40°C, the Phase E ingredients were added. Finally, when the batch had cooled to about 30°C, the Phase F ingredients were added. Continue mixing until the batch mixture is uniform.
[0189] The resulting compos...
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