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Sat Aug 30, 2008 5:31 am  |
| My face is very resistant (not sensitive) but my chest, well this is another story. I am tired of it being a different shade than my face. Suggestions for a product to try? |
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Sat Aug 30, 2008 5:38 am |
| Can you use the products that gave you such great results on your face less often on your chest? Meaning maybe 3 times a week or every other day? Could your chest tolerate that? |
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Sat Aug 30, 2008 8:33 am |
Retin-A has helped me with the difference in color/texture between my face & chest.
Protocol:
For about 2 weeks Retin-A on chest & neck every night along with a heavy moisturizer (Eucerin Cream) while EVERY OTHER NIGHT light film of Retin-A on face with same moisturizer. I found that using the moisturizer caused less peeling and flaking and made it easier to exfoliate.
After 2 weeks use the same regimen only 2 times per week. You will see significant improvement in discoloration, depth of neck bands and redness relief. Hope this helps! |
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Sat Aug 30, 2008 9:15 am |
Determined,
Do you mixed the retin-A and the Eucerin cream and of how much of each cream?
Is the Eucerin cream the same as the Cetaphil night cream( I have it and know it is a heavy moisturizer for dry skin).
When using 2 times a week, should it be like Mon and then Thursday?
Sorry for so many questions.
Thank you. |
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Sat Aug 30, 2008 9:34 am |
| NIA 24 scrub & decoltage cream. EDS has a sampler kit to try. |
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Sun Aug 31, 2008 6:41 am |
Hello, Mely09 THANK YOU! Your inquiry caused me to do a little research into Eucerin Cream, and what I found startled me. There is an ingredient in Eucerin Cream called methylisothiazolinone. here(in part) what Wikipedia has to say about it:
Some studies have shown MIT to be allergenic and cytotoxic, and this has led to some concern over its use.[11][12] In early December, 2004, a news broadcast from WNYT in Albany, NY reported that methylisothiazolinone had been linked to nerve cell death in scientific studies. In 2002, there was an in vitro study of the neurotoxicity of MIT in the department of Neurobiology at the University of Pittsburgh.[13] In that study, it was shown that a short exposure (10 min) to concentrations of MIT of 30-100 micromolar (or 4-12 parts per million) were lethal to mature neurons in tissue culture, but not to other brain cells, such as astrocytes (support cells). The lethal actions of MIT were due to its ability to liberate the metal zinc from intracellular metal-binding sites. The liberated zinc, in turn, triggered a cell death cascade in neurons that was characterized by the sequential activation extracellular signal-regulated kinase (ERK) and NADPH oxidase. This activity led to production of reactive oxygen species (free radicals), DNA damage and the overactivation of the DNA repair enzyme poly(ADP-ribose)polymerase, or PARP. Overactivation of PARP has been linked by many investigators to cell death due to its consumption of reduced equivalents and depletion of cellular energy sources (ATP). Additional studies from the same laboratory have observed that CMIT may be significantly (30-100 times) more potent that MIT. All these studies were performed on rat brain cells in culture. A CFTA (Cosmetic, Toiletry, and Fragrance Association) response statement has come out, strongly asserting that MIT is safe in cosmetic formulas.
The CFTA response is as follows: "The abstract on Methylisothiazolinone (MI), presented at the Cell Biology 2004 meeting of the American Society for Cell Biology (ASCB) lacks a credible scientific basis in suggesting that MI could be a safety issue for consumers using personal care products. In determining the safety of any ingredient, a major factor is exposure. Cosmetic exposure is so much lower than what is presented in this abstract as to make the study meaningless for safety evaluation purposes regarding cosmetic products. The experiments conducted with MI on extracted rat nerve cells in laboratory containers do not remotely resemble the possible consumer exposure to this preservative. Reports have suggested that safety testing with animals has demonstrated that application of MI does not result in systemic toxicity to the preservative. Clinical and functional effects on the nervous system have reportedly not been observed in relevant safety tests."
It is noteworthy, however, that the results of these safety tests have never been published in the peer-reviewed literature, nor are they easily available to the average consumer. Furthermore, the results from the abstract presented at the ASCB meeting were later published in a peer-reviewed scientific journal and are summarized later on this article [14].
The CFTA response continues: "MI is a preservative that has been specifically approved for use as a biocide by the US Environmental Protection Agency (EPA), by Japan, and by the European Commission for use in cosmetics. It is used at very low levels, parts per million (one part per million = one drop in a 55 gallon drum) in cosmetic products, including shampoos and other products. MI was reviewed by the Cosmetic Ingredient Review (CIR)* in 1992 as a component of a preservative mixture with methylchloroisothiazolinone (MCI) and found safe for use in cosmetics. Cosmetics are regulated under the Food, Drug and Cosmetic Act, which is enforced by the U.S. Food and Drug Administration (FDA). The Food and Drug Administration (FDA) has abundant legal authority to regulate the safety of cosmetic products."
It must also be mentioned, however, that a report released by the European Scientific Committee on Cosmetic Products and Non-Food Products Intended for Consumers (SCCNFP) in 2003 was of the opinion that insufficient information was available to allow for an adequate risk assessment analysis of MIT (see link below). Clearly additional studies are warranted.
Based on that info, I'm going to find a different moisturizer to put over the Retin-A! Check your Cetaphil for ingredients, it may be a better choice. As far as the routine, just tweak it to your lifestyle. |
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Sun Aug 31, 2008 7:34 am |
| I am going with Marina's recommendation Retin-A .25% and NIA24. Thannks |
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| Fri Apr 19, 2024 7:57 pm |
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