hi guys! I really want to know what ingredient are you guys allergic to because everyone's skin is different. Mine is chamomile and honey
Let's share
(btw sorry for my bad grammar 
)
Lauroyl lysine
lanolin
Parfüm ve roll-on larda bulunan alüminyum.Sürdüğüm yerlerde aşırı kaşıntı yapıyor.
Milk/lactose. It made me break out for years and didn't realize it. I stopped drinking and eating it, and voila! Face cleared up!
Claderm narlı kil maskesi aşırı kaşınyı yaptı.Suyla durulayınca geçti.
Aloe. My skin blisters from even a small amount of aloe.
My skin doesn't like petroleum jelly
Camine.
It is mainly found in purple)red pigmented products suchas a eyeshadows, eyelines,mascaras. It makes my eyes immediately itch and puff up red.
It took me 3 years to narrow down the ingredient that seemed to be only in purple or red based eyeshadows. Google "carmine" and "carmine allergy" to understand what it is. They are starting to include it in more ingredients like mascara I can't use ANY eye products with this!
My skin hates coconut oil.
Also, bismuth oxychloride in the large amounts found in mineral makeup is an irritant to me (and many others). Ditto for cheap metals (nickel etc). I learned the hard way that the latter is hidden in some cheaper products featuring colloidal gold.
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Google comedogenic rating. A lot of popular ingredients have terrible comedogenic ratings. E.g. Coconut, although being great for hair, is terrible for sensitive skin because of its high comedogenic rating. I came across this company, ishonest.com, which states comedogenic ratings of it's ingredients. You need to find brands like these, who are upfront about everything they put in their products. I've long converted to them for their honesty.
Fragrance, excessive silicones, all oils including squalane/ene, essential oils, herbs, glycerin, niacinamide, peptides, chemical filters spf, any waxes/petroleum, algae.
It's a struggle and my skin is suffering. 
If anyone can think of any products that would be suitable for me, feel free to message me.
Fatty alcohols and coconut derivatives