All citrus oils are phototoxic to some degree unless those particular constituents have been removed

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Posted by Nick (no text) on October 17, 2002 at 22:09:15:

In reply to: Re: Terps? posted by Lauren on October 17, 2002 at 20:54:45:

: What
: : do you guys mean when you say "terp"-ing? Are you adding oils
: : are supposed to contain terpenes (or monoterpenes)?
: Yep.
: If that's the
: : case, I have been reading that people use cardamom and cajeput to
: : terp their paste? Well, if you are interested, cardamom only
: : contains 6% terpenes and cajeput (member of the melaleuca family)
: : contains less than 10%. My friend, a fellow aromatherapist, and
: : have been using just plain ol' Indian-store Mumtaz henna with
: : that contain 85-95% terpenes and are getting fantastic stains
: : last weeks (with very short light orange periods). In our
: : aromatherapy manuals we have found that the oils that contain the
: : highest terpenes are most citrus oils (especially pink grapefruit
: : and sweet orange) and the pines (mostly Siberian fir needle) (I
: : would not recommend using the pines since many people experience
: : allergic reactions and most people get along well with the citrus
: : oils).
: The citrus oils have difficulties with being out in the sunlight.
: believe the term is "phototoxic". I'm not sure exactly what they
: but once people start using words like "vomiting" and "rash", I
: elsewhere.
: The terp levels in cardamom, cajeput, ravensara, and certain
: eucalyptuses, among others, are quite enough for our purposes.
: besides, I LOVE the smell of cardamom paste!
: My main recipe is to use lemon juice for the main
: : constituent, then pink grapefruit, sweet orange or lime (2 or 3
: : different ones).
: I know that lemon oil and citronella are unfriendly when exposed to
: sunlight. I don't know the relative values of each of these oils
: what's true for lemon is usually true for lime. I think Orange is
: okay, but I wouldn't swear to it.
: Lauren


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