top of page
Search

About St. John’s Wort (Hypericum perforatum)

St. John’s Wort (Hypericum perforatum L.) is a plant belonging to the Hypericaceae family and naturally grows in temperate and tropical climates around the world. In Turkey, it is also known by various names such as binbirdelik otu, kılıç otu, kan otu, yara otu, and kuzukıran.

This perennial herb, recognized for its bright yellow flowers, has many species. Nearly 100 species grow in Turkey, 42 of which are endemic—meaning they are found only in this region.

St. John’s Wort contains a wide range of secondary metabolites, including:

  • Naphthodianthrones – Natural compounds (like hypericin) known for their antiviral, antidepressant, and anti-inflammatory effects.

  • Phloroglucinol derivatives – Bioactive substances (such as hyperforin) that contribute to antibacterial activity and mood regulation.

  • Flavonoids – Powerful antioxidants that help protect cells from damage, reduce inflammation, and support skin health.

  • Organic acids – Compounds that help support digestion, regulate pH balance, and improve metabolic functions.

  • Essential oils – Volatile plant oils that provide antimicrobial, soothing, and anti-inflammatory properties, often beneficial for skin and relaxation.

  • Amino acids – The building blocks of proteins that support tissue repair, skin regeneration, and overall body function.

  • Xanthones – Potent antioxidant and anti-inflammatory compounds that may support immune health.

  • Tannins – Natural astringents that help tighten tissues, reduce inflammation, and protect against bacteria.

  • Procyanidins – Strong antioxidants that support circulation, heart health, and skin protection.

  • Other water-soluble compounds – Various beneficial components that support hydration, nutrient absorption, and overall cellular function.



Contents

  • What Is St. John’s Wort Oil?

  • What Are the Benefits of St. John’s Wort Oil?

  • What Is St. John’s Wort Oil Good For?

  • Benefits of St. John’s Wort Oil

  • Skin Benefits of St. John’s Wort Oil

  • How to Use St. John’s Wort Oil on Skin

  • How to Make St. John’s Wort Oil

  • Frequently Asked Questions



What Is St. John’s Wort Oil?

St. John’s Wort oil is obtained from the flowers and leaves of the plant. These parts are rich in “hypericum oil.” It contains many active compounds, including bioflavonoids, antioxidants, hypericin, and hyperforin.

This oil is widely used for various purposes, ranging from skin conditions to digestive issues. It is especially valued in skincare due to its ability to:

  • Relieve pain in burns and wounds

  • Prevent inflammation

  • Promote healing

It supports the circulation of oxygen-rich blood to damaged skin cells, helping repair the skin.

St. John’s Wort oil also has antibacterial properties. When applied topically, it can:

  • Soothe minor wounds and burns

  • Reduce skin irritation

  • Support the healing process

Additionally, it may help:

  • Prevent stomach discomfort

  • Reduce gastritis-related pain

  • Relieve rheumatic pain

  • Support conditions like gout and swelling

⚠️ Important: Due to its strong effects and potential interactions with medications, St. John’s Wort oil should always be used under the supervision of a healthcare professional or phytotherapy specialist.

What Are the Benefits of St. John’s Wort Oil?

St. John’s Wort oil may help alleviate anxiety and tension by increasing the activity of brain chemicals such as serotonin and norepinephrine.


It is also effective against bacteria, viruses, and fungi. Its key benefits include:

  • Reducing inflammation

  • Nourishing the skin

  • Improving scars, wounds, and burn marks


It is traditionally used for chronic conditions affecting:

  • Lungs

  • Stomach

  • Intestines

  • Kidneys

  • Urinary tract


It may also help with:

  • Common colds

  • Diabetes

  • Ulcers

  • Liver and gallbladder issues

  • Digestive disorders


Additional benefits:

  • Reduces anxiety and supports relaxation

  • May help in depression treatment

  • Eases menopausal symptoms

  • Supports viral infection recovery

  • Relieves headaches, migraines, and sciatica

  • Moisturizes and protects the skin from sun damage


Summary of Benefits:

  • Helps heal wounds, burns, and cuts

  • Effective against fungi, viruses, and bacteria

  • Improves digestive issues such as constipation

  • Eases menopausal symptoms

  • Relieves pain (sciatica, arthritis, gout, menstrual pain)

  • Supports mental health (anxiety, depression, sleep issues)

  • Prevents skin infections

  • Nourishes and hydrates the skin

It also contains glycosides that stimulate stomach acid and digestive enzyme secretion, helping reduce symptoms like acid reflux and heartburn.


What Is St. John’s Wort Oil Good For?

Thanks to its cell-regenerating properties, it is effective for:

  • Wound and burn scars

  • Acne and skin blemishes


It also:

  • Reduces inflammation

  • Supports digestion and relieves indigestion

  • Acts as a natural pain reliever and calming agent


Other benefits include:

  • Supporting protein metabolism

  • Increasing appetite

  • Enhancing absorption of calcium, iron, and vitamin B12

  • Relieving nausea


It may help with:

  • Bloating, constipation, and gas

  • Gastritis-related stomach pain

  • Skin conditions such as eczema, acne, and hemorrhoids

  • Bacterial and viral infections affecting the throat, skin, and mucous membranes

'

Massage with the oil may also help relieve:

  • Muscle pain

  • Rheumatism

  • Sciatica

  • Lower back pain (lumbago)

  • Varicose veins


⚠️ Caution:Exposure to sunlight after applying the oil may increase the risk of sunburn, especially in sensitive skin.

It is not recommended during pregnancy or breastfeeding, due to insufficient scientific data.


of St. John’s Wort Oil

St. John’s Wort oil promotes skin regeneration by improving oxygenated blood circulation, helping heal:

  • Burns

  • Wounds

  • Bruises

It may also:

  • Relieve arthritis, muscle, and joint pain

  • Support serotonin and dopamine production

  • Reduce stress

  • Ease menopausal symptoms such as hot flashes


Key Benefits:

  • Reduces inflammation

  • Speeds up wound and burn healing

  • Provides antibacterial and antifungal effects

  • Supports digestive health

  • Offers anti-aging benefits

  • Reduces stress and anxiety


Skin Benefits of St. John’s Wort Oil

Rich in flavonoids with antioxidant and anti-inflammatory properties, this oil is highly effective in skin repair.

It helps:

  • Soothe irritation

  • Reduce inflammation

  • Relieve itching

  • Regenerate the skin

It also:

  • Moisturizes and softens the skin

  • Nourishes deeply

  • Restores a healthy appearance

Its antibacterial and antiviral properties help:

  • Calm and strengthen the skin

  • Heal sunburns and minor wounds

  • Improve blood circulation

  • Prevent skin inflammation

It is commonly used for:

  • Burns and minor wounds

  • Sunburn

  • Acne

  • Dandruff

  • Eczema


How to Use St. John’s Wort Oil on Skin

The oil is applied topically for:

  • Wound healing

  • Skin infections

  • Eczema

Regular use is important for both treatment and prevention.

For hair care:

  • Use 1–2 times per week

  • Apply at least 30 minutes before washing

  • Massage gently into the scalp

  • Wash thoroughly afterward

For digestive support:

  • Do not exceed 2 teaspoons per day

⚠️ It may interact with medications, so consult a doctor before use—especially if you take regular medication.

Stop use and consult a doctor if you experience:

  • Pain

  • Tingling

  • Persistent wounds

  • Skin reactions


How to Make St. John’s Wort Oil

One of the most common preparation methods:

  1. Lightly crush 100 grams of fresh or dried St. John’s Wort flowers

  2. Add them to a glass jar containing 250 grams of olive oil

  3. Leave the mixture in sunlight for 30 days, shaking occasionally

  4. Strain after 30 days

  5. Using fresh flowers produces a red oil

  6. Using dried flowers produces a yellow oil

Both have similar effects.


Frequently Asked Questions


What is St. John’s Wort oil used for?

It is used for conditions such as:

  • Stomach ulcers

  • Gallbladder issues

  • Bronchitis

  • Common colds

  • Migraines

  • Wound healing


What are the benefits of red St. John’s Wort oil?

  • Supports digestion

  • Helps treat gastrointestinal disorders

  • Has calming and fever-reducing effects

  • May help lower high cholesterol


How does St. John’s Wort affect the body?

It has been used to support:

  • Kidney and lung conditions

  • Insomnia and depression

  • Wound healing


Are there side effects?

Excessive use may cause:

  • Mild stomach discomfort

  • Skin rashes or hives

  • Fatigue

  • Restlessness

  • Headache

  • Dry mouth

  • Dizziness


Does it help with stress?

Yes. It may stimulate serotonin, dopamine, and norepinephrine, helping improve mood and reduce stress.


Is it good for eczema?

Yes. It may soothe irritation and reduce inflammation associated with eczema.


Can it be consumed orally?

Yes, it can be taken orally. A common method is mixing one teaspoon of the oil into a glass of warm water.

⚠️ However, due to potential interactions, it should only be consumed with medical approval.

Prepared by Memorial Medical Editorial Board







 
 
 

Comments

bottom of page