Precautions, Warnings & Things to Know Before Use
β οΈ What happens when a vegetable oil expires?
Over time, an oil oxidizes (due to contact with air, light, and heat).
π It becomes rancid: its fatty acids break down and form irritating compounds.
π¨ Possible risks for the skin
Irritation, redness
Itching, tingling, stinging
Pimples, acne breakouts
Allergic reactions
Worsening of sensitive skin, eczema, or rosacea
Accelerated skin aging (free radicals)
β οΈ High-risk areas
Face
Eye contour
Intimate area
Damaged or broken skin
π¨ Risks for hair
Dull hair
Irritated scalp
Itching
Dandruff
π« Can it be ingested?
β NO
An expired vegetable oil may cause:
Digestive discomfort
Nausea
Diarrhea
Mild to severe food poisoning depending on its condition
π How to recognize an expired vegetable oil?
One single sign is enough to discard it:
Rancid, sour, or βcrayon-likeβ smell
Bitter taste (for edible oils)
Thickened or sticky texture
Changed color
Unusual tingling sensation on the skin
π If in doubt β do not use it
β Can it be recycled?
Yes, but NOT on the skin:
Household soap making
Lubricating hinges
Wood or leather care (test first)
Cleaning brushes (not for face use)
π§ How to prevent premature expiration?
Dark glass bottle
Close tightly after use
Store away from light and heat
Some oils keep better in the refrigerator
Write down the opening date
β³ Average shelf life after opening
Stable oils (jojoba, coconut): 12β24 months
Fragile oils (apricot, hazelnut): 6β12 months
Omega-3 rich oils (flaxseed, hemp): 3β6 months