Which ingredient is most likely to be causing irritation?

Aqua (Deionized Water)
Aloe Barbadensis Leaf Juice (Organic Aloe)
Cucumis Sativus Fruit Water (Cucumber Extract)
Simmondsia Chinensis Seed Oil (Organic Jojoba Oil)
Cassia Angustifolia Seed Extract (Botanical Hyaluronic Acid)
Palmitoyl Tripeptide-5
Glycine
Palmitoyl Tetrapeptide-7
Palmitoyl Tripeptide-1
Sodium PCA
Arginine
Aspartic Acid
Globularia Cordifolia Callus Culture Extract (Plant Stem Cells)
Glycine
Alanine
Serine
Valine
Proline
Threonine
Isoleucine
Histidine
Phenylalanine
Polysorbate 20
Vinca Major Extract (Periwinkle)
Glycerin (Kosher, Vegetable)
Dimethyl Sulfone (MSM)
Sodium Lactate
Arginine
Glycyrrhiza Glabra Root Extract (Licorice)
Tocopheryl Acetate (Vitamin E)
Camellia Sinensis Leaf Extract (Organic Green Tea)
Centella Asiatica Extract (Organic Gotu Kola)
Equisetum Arvense Extract (Organic Horsetail Extract)
Geranium Maculatum Extract (Organic Wild Geranium)
Taraxacum Officinale Extract (Organic Dandelion Extract)
Hydroxyethyl Cellulose
Carrageenan
Sodium Benzoate (Preservative)
Potassium Sorbate (Preservative)
Ethylhexylglycerin (Preservative)

Comments

  • PerryPerry Administrator, Professional Chemist
    Wow, that's a lot of ingredients!
    Ethylhexylglycerin?
    Any of the extracts
  • PharmaPharma Member, Pharmacist
    Sorbate can too...
    BTW glycine and arginine are listed twice.
  • YulinYulin Member
    Thank you for the feedback! Noted on listed twice. Do you know what would be causing stickiness? 
  • PharmaPharma Member, Pharmacist
    Nearly everything in that product except water can cause stickiness if used abundantly. Too much amino acids, moisturisers, plant extracts, gelling agents and so on will all render your product tacky and feeling 'greasy'.
  • Need to include inclusion rate to get a good answer on that.

    ie: glycerol at low rates....not sticky in the end product (usually)...glycerol at higher rates....will contribute to a sticky end product.

    Just feel each of your ingredients, neat...and you can answer that question your self....If it goes in sticky, and included at more than a trace level...it will begin to transfer that characteristic to the final product.
  • RedCoastRedCoast Member
    Despite their "soothing" properties, aloe and green tea can cause allergic contact dermatitis. It's rare, but it happens--there are dozens of phytochemicals that can be responsible for it.
  • abieroseabierose Member
    RedCoast said:
    Despite their "soothing" properties, aloe and green tea can cause allergic contact dermatitis. It's rare, but it happens--there are dozens of phytochemicals that can be responsible for it.
    Yes, I know a few people with sensitivity and/or allergic reactions to Aloe, myself included, which is why I never use it in any of my formulations. 
  • PerryPerry Administrator, Professional Chemist
    This is the main problem with using plant extracts. Each of them are made up of dozens of chemicals, any of which can cause allergic reactions.
  • YulinYulin Member
    Thanks for all the feedback everyone.  This is a lot to think about.  I may need to do a complete reformulation.  I think it may be too difficult to pinpoint the issue considering the number of botanicals.   
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