Oily Hair – Causes, Care and Effective Support from the Inside and Outside

The problem of oily hair affects both women and men. Hair that quickly becomes greasy, sticks to the scalp and loses volume not only looks unattractive, but may also signal deeper imbalances within the body. When left untreated, excessive sebum production can lead to bacterial or fungal infections, weakened hair follicles, increased shedding and, over time, even hair thinning.

That is why oily hair should never be treated as a purely aesthetic issue. Understanding the cause is the first and most important step toward restoring balance.

Why does hair become oily?

Hair becomes greasy when the sebaceous glands located around hair follicles produce too much sebum. When excess sebum combines with dead skin cells, styling residues and environmental impurities, it creates plugs that clog follicles and restrict oxygen and nutrient delivery to the hair root.

As a result, hair becomes greasy at the scalp but paradoxically dry, brittle and split at the ends. Over time, this imbalance weakens hair structure and accelerates hair loss.

Excessive sebum production may be caused by:

• hormonal fluctuations (puberty, menstrual cycle, menopause),
• thyroid dysfunction,
• chronic stress,
• poor diet,
• vitamin and mineral deficiencies,
• seborrheic dermatitis,
• improper hair care,
• genetic predisposition.

Because sebum imbalance negatively affects both scalp health and hair growth, addressing it comprehensively is essential.

 

How to care for oily hair effectively?

Start with scalp health

Healthy hair always begins with a healthy scalp. Proper cleansing, nourishment and regulation of sebaceous glands are the foundation.

Choose the right shampoo

A shampoo for oily hair should regulate sebum production without drying or irritating the scalp. Overly aggressive formulas strip the skin of its protective barrier, forcing sebaceous glands to produce even more oil as a defense mechanism.

When choosing a shampoo:

• avoid SLS and SLES,
• avoid artificial dyes and heavy fragrances,
• avoid silicone-heavy formulas.

Instead, look for gentle cleansing agents such as coco glucoside, capryl glucoside or disodium cocoyl glutamate. Beneficial ingredients include:

• herbal extracts (sage, nettle, rosemary, chamomile, lemon balm),
• citrus extracts,
• vitamins B-complex, A, C and E.

Aloe vera is particularly valuable for oily scalps. It has antiseptic, soothing and sebum-regulating properties and can be added directly to shampoo to enhance its balancing effect.

Always rinse shampoo thoroughly, use lukewarm water and avoid aggressive towel rubbing, which stimulates sebaceous glands.

 

Conditioners – yes, but wisely

Oily hair often has dry, fragile ends, so conditioners are essential. However, they should never be applied to the scalp or roots.

Choose lightweight conditioners with sebum-normalizing ingredients such as:

• jojoba oil (balances sebum, dissolves excess oil, nourishes without heaviness),
• tea tree oil (antibacterial, antifungal, anti-inflammatory),
• aloe, nettle, rosemary or green tea extracts.

Rinse thoroughly and finish with cool water to gently close hair cuticles.

 

Styling with restraint

Oily hair does not tolerate heavy styling products. Avoid waxes, creams and gels. Opt for lightweight mousses or sprays and use them sparingly.

Do not over-comb hair and avoid touching it frequently with your hands. Allow hair to air-dry when possible or use a cool airflow if blow-drying is necessary. Heat styling tools intensify sebum production and should be minimized.

 

Herbal rinses and lotions

Scalp lotions and rinses are extremely helpful for regulating oil production:

• aloe juice diluted with water (1:2) refreshes, moisturizes and balances,
• apple cider vinegar or lemon rinses remove residue and restore pH,
• birch, thyme or coltsfoot infusions regulate sebaceous glands and strengthen hair follicles.

Use them in moderation to avoid scalp dryness.

 

Masks and oils – yes, even for oily hair

Contrary to popular belief, oily hair also needs nourishment. The key is choosing the right ingredients and using them no more than twice a week.

Recommended options:

• tomato mask (regulates pH and sebum),
• aloe, honey, lemon juice and egg yolk mask,
• banana and honey mask for scalp nourishment.

For oil treatments, use small amounts of castor, rosemary, sage or tea tree oil diluted in light carrier oils such as almond or coconut oil.

 

Support hair balance from the inside – RevCeuticals supplementation

External care alone is often not enough. Sebum regulation, scalp health and hair strength are strongly influenced by internal balance.

RevCeuticals supplements are designed to support hair and scalp health from within, addressing the root causes of excessive oil production:

• zinc and selenium help regulate sebaceous gland activity,
• B vitamins support scalp metabolism and hair growth,
• omega fatty acids strengthen hair structure and reduce inflammation,
• antioxidants protect hair follicles from oxidative stress,
• adaptogenic support helps counteract stress-related hair imbalance.

RevCeuticals offers targeted formulas for both women and men, supporting hormonal balance, scalp health and long-term hair vitality.

 

Lifestyle matters

Chronic stress, lack of sleep and poor diet significantly worsen oily hair. Prioritize:

• adequate sleep,
• stress management,
• regular physical activity,
• a diet rich in vegetables, fruits, fish, nuts, whole grains and healthy oils.

Limit sugar, refined carbohydrates, alcohol and highly processed foods.