Chemistry and related sciences





Cosmetic Chemicals – Grades

What is the industry or regulatory standard for grading cosmetic
chemicals, and where might I find this standard?  I’d like to see a
chart or list of grades and their definitions.

There are so many terms used, some of which do not seem legitimate –
medical grade, for example.

what are the standards?
where are the standards?
who determines the standards?
what grades are acceptable for use in cosmetics?

Thanks in advance,
nan

posted by admin in Uncategorized and have Comments (8)






8 Responses to “Cosmetic Chemicals – Grades”

  1. admin says:

    kanzz wrote:
    > What is the industry or regulatory standard for grading cosmetic
    > chemicals, and where might I find this standard?  I’d like to see a
    > chart or list of grades and their definitions.

    > There are so many terms used, some of which do not seem legitimate –
    > medical grade, for example.

    > what are the standards?
    > where are the standards?
    > who determines the standards?
    > what grades are acceptable for use in cosmetics?

    > Thanks in advance,
    > nan

    http://vm.cfsan.fda.gov/~dms/cos-toc.html

  2. admin says:

    Thanks so much for your post.

    I’ve been through most of this info — it is vast — and I still can’t
    seem to find a chart or list of grades and their definitions.

    Any chance someone could narrow it down for me?

    thanks.

    - Hide quoted text — Show quoted text -

    Frank wrote:
    > kanzz wrote:
    > > What is the industry or regulatory standard for grading cosmetic
    > > chemicals, and where might I find this standard?  I’d like to see a
    > > chart or list of grades and their definitions.

    > > There are so many terms used, some of which do not seem legitimate –
    > > medical grade, for example.

    > > what are the standards?
    > > where are the standards?
    > > who determines the standards?
    > > what grades are acceptable for use in cosmetics?

    > > Thanks in advance,
    > > nan

    > http://vm.cfsan.fda.gov/~dms/cos-toc.html

  3. admin says:

    kanzz wrote:
    > Thanks so much for your post.

    > I’ve been through most of this info — it is vast — and I still can’t
    > seem to find a chart or list of grades and their definitions.

    > Any chance someone could narrow it down for me?

    It’s an area I only touch on occassionally.  You can see that the FDA
    does not really regulate cosmetics but is only concerned about
    contamination or product safety.  Do not think you will see a list of
    approved materials.  If you were formulating a cosmetic, it would be a
    good idea to ask chemical producer if chemical is suitable to use, i.e.
    is not contaminated with something that might be injurious.  I do know
    of example where industry has refused to sell chemicals for cosmetic
    use.
    Frank

  4. admin says:

    Is there no industry standard for grading cosmetics and for use of the
    terminology?

    If I’m looking for an ingredient – let’s say Lactic Acid – it might say
    any of the following:
    pharmaceutical, medical, professional, cosmetic, high purity, reagent,
    technical, etc. (Google "Lactic Acid grade skin")  Seems to me most of
    this is hype.

    So, if I’m formulating for myself and my family and I want to buy the
    right ingredients, how do I know which grade to pick?  Rely on the
    seller?  How do sellers know which word to appy to their product?
    Believe it or not, I’m pretty sure some suppliers might be
    unscrupulous.

    I thank you for your time.

    nan

    - Hide quoted text — Show quoted text -

    Frank wrote:
    > kanzz wrote:
    > > Thanks so much for your post.

    > > I’ve been through most of this info — it is vast — and I still can’t
    > > seem to find a chart or list of grades and their definitions.

    > > Any chance someone could narrow it down for me?

    > It’s an area I only touch on occassionally.  You can see that the FDA
    > does not really regulate cosmetics but is only concerned about
    > contamination or product safety.  Do not think you will see a list of
    > approved materials.  If you were formulating a cosmetic, it would be a
    > good idea to ask chemical producer if chemical is suitable to use, i.e.
    > is not contaminated with something that might be injurious.  I do know
    > of example where industry has refused to sell chemicals for cosmetic
    > use.
    > Frank

  5. admin says:

    - Hide quoted text — Show quoted text -

    kanzz wrote:
    > Is there no industry standard for grading cosmetics and for use of the
    > terminology?

    > If I’m looking for an ingredient – let’s say Lactic Acid – it might say
    > any of the following:
    > pharmaceutical, medical, professional, cosmetic, high purity, reagent,
    > technical, etc. (Google "Lactic Acid grade skin")  Seems to me most of
    > this is hype.

    > So, if I’m formulating for myself and my family and I want to buy the
    > right ingredients, how do I know which grade to pick?  Rely on the
    > seller?  How do sellers know which word to appy to their product?
    > Believe it or not, I’m pretty sure some suppliers might be
    > unscrupulous.

    In your example, you would not go wrong with grades specified for
    medical, pharm. or cosmetic. I’ve had experience with medical and food
    contact where regs. are strict.  The impurity may be harmless, and only
    present in ppb’s but not allowed because it is not listed.  Things like
    reagent, and pharmaceutical may be the same.  Also I would trust US and
    EC and probably Japanese sources but shy away from others, although I
    have seen cosmetics out of China that were OK.
    Frank

  6. admin says:

    Frank writes:
    > Also I would trust US and
    > EC and probably Japanese sources but shy away from others, although I
    > have seen cosmetics out of China that were OK.

    The question is not whether something is more or less vaguely
    "trustworthy", but whether there are concrete, physical standards for
    cosmetic ingredients.  The answer to the latter question is apparently, for
    the USA, not really.

  7. admin says:

    Exactly… and Thank You.

    - Hide quoted text — Show quoted text -

    Richard J Kinch wrote:
    > Frank writes:

    > > Also I would trust US and
    > > EC and probably Japanese sources but shy away from others, although I
    > > have seen cosmetics out of China that were OK.

    > The question is not whether something is more or less vaguely
    > "trustworthy", but whether there are concrete, physical standards for
    > cosmetic ingredients.  The answer to the latter question is apparently, for
    > the USA, not really.

  8. admin says:

    kanzz wrote:
    > What is the industry or regulatory standard for grading cosmetic
    > chemicals, and where might I find this standard?  I’d like to see a
    > chart or list of grades and their definitions.

    > There are so many terms used, some of which do not seem legitimate –
    > medical grade, for example.

    > what are the standards?
    > where are the standards?
    > who determines the standards?
    > what grades are acceptable for use in cosmetics?

    The FDA doesn’t have a list of "approved materials" for a number of
    reasons.  First, they don’t know that the material’s inconsistancy is
    not going to be harmful – and no product, NO PRODUCT is not made
    without some inconsistancy.  Secondly, (although this is sort of a
    sub-arguement of the previous arguement), the final end product may be
    made throught a new method (new catalyst, new starting materials,…)
    so that the contaminants are different even though the desired end
    product is the same. By just pre-approving the final product, these
    differences would not be avoided.  Thirdly, you have know idea what/how
    the product is being handled after it is manufactured.  For example,
    taking sterile water and pumping it through a non-sterile system.

    The best way to handle all these issues is for the FDA to approve the
    final product, not the components of the products.

    When I  explain it this way, most people agree with the logic, but
    there are exceptions.  I’ve tried unsuccessfully for years to convince
    some coworkers that the FDA doesn’t have a list of approved medical
    device materials.  They keep thinking that if they just look long
    enough on the internet, they will find that list.  Most surprisingly,
    they are senior (in age) engineers.  I say "most surprisingly" as I
    tend to think of younger people as being the ones who expect to find
    everything on the internet.

    John
    Aspen Research, – http://www.aspenresearch.com
    "Turning Questions into Answers"

    Opinions expressed herein are my own and may not represent those of my
    employer.







Place your comment

You must be logged in to post a comment.