Propylene-glycol (PG) Allergy

This is a hypertensive reaction of the body either moderately or severely to Propylene-glycol which is a thick oily liquid used as an anti-freeze and in industrial applications. This response leads to symptoms like a sore throat, itchy hives, face/tongue numbness, nausea, headaches and sinus problems. Propylene-glycol was classified by the US food and drug administration as safe and is typically used as food additive. It is used to preserve food like frozen desserts, ice creams, cosmetics and personal care products.


  1. Propylene-glycol Allergy
  2. Symptoms
  3. Avoiding all types of Propylene-glycol
  4. Severe or moderate allergies
  5. Propylene-glycol free cosmetics
  6. Coping with propylene-glycol allergies



PG acts as an ingredient used mainly in hair products to soften hair, retain curls and prevent its breakage. It is also utilized in the manufacture of shampoos, conditioners and styling products. Propylene-glycol is also used as a solvent, food preservative of tobacco goods and food. People with Propylene-glycol allergy have a hypertensive reaction to all the above products and any other product with PG or even products manufactured by the same machine.

When the body reacts to these commodities, the patient may experience mild to severe symptoms. The reaction takes place slowly, and this may be very dangerous since the patient can fail to recognize early and the effects can increase which increases the danger.

Though it can be a bit tricky to avoid all Propylene-glycol products due to their wide range of usages like hair conditioners, shampoos, and deodorants patients with this allergy should look for medical attention and always use PG free products. In case the patient uses it without knowing they should seek medical attention immediately.



Due to the wide range of PG products the symptoms varies greatly also from the moderate to severe patients. Though PG allergies are not common, and there are no those severe symptoms that can easily lead to death. Either the case, the patients should be on the look-out since they can have several reaction symptoms. These symptoms are typically portrayed after 2-3 days.

The main one is itchy, burning effect and tender skin. The body reacts to these products by producing histamine, which causes those reactions with the skin. Other significant symptoms are Sore, dry or inflamed throat and mouth, dry scalp and flake, muscle pain, development of rashes, red rashes on the hairline, neck and behind the ears, diarrhea and can also have sleeping complications or lack of sleep. The patient can also have disproportionate nasal mucus production.


Avoiding all PG

If one is allergic to Propylene-glycol, they should avoid all the products that contain it. Most patients have got alternatives to these commodities. For example, there are shampoos and hair conditioners that have been made in PG free environment, and they do not contain any traces of the PG.

In most cases, patients with these allergies are advised to be on the lookout for products that have given names like Methyl Glycol, Propane-1, 2-Diol, 1,2 Propanediol,1,2 Dihydroxypropane, 2 Hydroxypropyl, Trimethyl Glycol which typically signifies PG.

Patients with extreme eczema or any other skin conditions, they should look on the steroids ointment that is PG free and in most cases seek medical attention to give you specific alternatives.


Severe or moderate Propylene-glycol allergies

Whether severe or mild allergy the patient is advised to use PG free products and avoid all the goods with PG even if in the vicinity there are no other alternatives. Products like humectants and maybe there is a specific one that works best for your curled hair one should avoid it and maybe to look for an alternative from his or her cosmetologist.

For all those with friends or relatives with this PG allergy, they should be sensitive to the washing product, all other cosmetics in the house and the pharmaceuticals around to avoid raising their allergies.


Propylene-glycol free cosmetics

Most of the cosmetics products have PG traces and are the ones that are highly and easily available, though not all cosmetics products have PG traces. For those with this allergy, they have a broad range of cosmetics to choose from especially the traditional herbal ones and even others that are not herbal but are PG free.

Every cosmetic product has a substitute, visit a cosmetologist with vast knowledge on PG allergies and will have a choice for you. Even for those with mild symptoms, they should avoid them since over time they can worsen when continuously exposed to these allergens. To completely avoid PG products the patient can switch to vegetable glycerine.


Coping with propylene-glycol allergies

Even though the symptoms mainly start at a tender age, it might also develop later in life. Both parents, friends, and relatives should be on the look-out if a kid or someone close starts to develop those symptoms of PG allergies to the detergents used or the body oil used or any of the PG products mentioned above.

When the symptoms are noticed, treatment and avoidance done then the individual cannot have any adverse effects and lives normally. Even though no specific medical attention has been developed, patients should seek medical care when like four or more of the above symptoms are portrayed. The patient should also observe keenly all the products used to ascertain everything is PG free.

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