Hot Mask

Hot Mask

ALPS Hot Masks change phase from solid to liquid when they are heated to 65°C (150° F). When placed on the skin the Hot Mask will maintain its temperature of 65°C until it turns completely solid in about 5 to 10 minutes. During this time, blood flow in the skin of the face is increased up to 8 times. If you have placed a cosmetic or therapeutic cream or ointment on the face, prior to donning the mask, then the rate of diffusion into the skin of the cosmetic or therapeutic agent is increased 10 to 15 times.

Product Number: PSF-PW

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Methods of measuring, and factors affecting, percutaneous absorption


"Effect of temperature on blood circulation measure with the laser Doppler Method"

"The effects of local heating or cooling on skin microcirculation in volar aspect of human forearms was studied using laser Doppler flowmetry. When the skin was heated to 40 degrees C from a normal temperature of 32 degrees C, red cell flow (laser Doppler flow, blood flow) momentarily increased several fold and then temporarily decreased. The flow subsequently resumed a gradual increase reaching 10-15 times that of control in 30-40 min. When the skin temperature was returned to 32 degrees C after 60 min of heating, the blood flow momentarily declined but
soon increased for several minutes before it began its major descent. When cooled from 32 degrees C to 5 degrees C, the flow momentarily decreased, but soon increased, surpassing the pre-cooling level. The flow began to decline when the cooling was prolonged for more than 15-20 min. The changes in flow corresponded well with the changes in number (volume) and speed of red cells. Laser Doppler flowmetry was found to be very useful for continuously monitoring
microcirculatory blood flow in human skin"

"Blood Flow in Diabetics (Skin Blood Flow in Diabetic Dermopathy)"

"Heat-stimulated blood flow values at the knee, ankle and toe"

"The effect of temperature on blood flow and deep temperature in the human forearm"

"Methods of measuring, and factors affecting, percutaneous absorption"

"Fritsch and Stoughton investigated the effect of temperature on the in vitro percutaneous absorption of acetylsalicylic acid on human skin. They found that at 40°C and 88% rh, the transepidermal passage of salicylate was about eight times greater than it was at 10°C. An increased rate of percutaneous penetration of alcohols over the range of temperature 5°-50°C"

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