Yes, a lack of vitamin D can contribute to an oily scalp and hair by disrupting skin health, potentially leading to increased sebum (oil) production, causing greasiness, dryness, itchiness, and even hair thinning or loss. Vitamin D receptors are present in hair follicles, and a deficiency can affect the hair growth cycle and sebum regulation, with some sources linking it to excess oil and others to dry, brittle hair, suggesting a broader impact on scalp balance.
🌺 vitamin d helps to reduce oil production and when there is a deficiency could lead to imbalance in your scalp oil production making you more greasy then usual so make sure to get some bloodwork done and take advantage of the sunlight and supplements to increase your vitamin d levels.
A: Many hair and scalp symptoms related to our nutrition, for example, oily hair may be associated with vitamin b deficiency. While medical practitioners will assess your general health, trichologists and dermatologists often assess blood tests differently.
When you strip your scalp of its natural oils too often, it can go into overdrive trying to replace them, leading to an increase in sebum production. This can create a vicious cycle of greasy hair. A good rule of thumb is to wash your hair every 2-3 days, and weekly for curlier hair, depending on your hair type.
Here are 10 unexpected signs of a vitamin D deficiency that may surprise you.
What are Vitamin D Deficiency Symptoms?
To quickly increase Vitamin D, combine safe sunlight exposure (10-20 mins daily without sunscreen for lighter skin), taking high-dose Vitamin D3 supplements (consult a doctor first), and eating foods like fatty fish (salmon, tuna), egg yolks, fortified milk/cereals, and sun-exposed mushrooms, ensuring you take supplements with a fat source for better absorption.
Causes of greasy hair after washing
Seborrhea occurs when the sebaceous glands create excess oil, or sebum, making the skin and scalp oily. Most people with seborrhea do not have any underlying health problems. However, some people may have an underlying condition, such as a hormone imbalance.
Women going through perimenopause and menopause experience a change in their hormone levels. One hormone, androgen, surges, increasing the production of sebum in the scalp. Sebum is vital to our hair, protecting it from environmental damage and keeping it supple, but too much can lead to a greasy look.
Other foods that may contribute to greasy hair include:
Vitamin B Complex: B vitamins often work synergistically, meaning they enhance each other's effects when consumed together. A balanced intake of all B vitamins ensures optimal metabolic and hormonal function, which can collectively help manage sebum production and reduce oily hair. Zinc: Helps control oil production.
Thyroid hormones – These hormones can affect skin moisture levels and hair growth. Hypothyroidism (low thyroid hormone levels) can lead to dry, thinning skin and hair loss, while hyperthyroidism (high thyroid hormone levels) can cause oily skin and hair.
When vitamin levels dip too low, hair follicles struggle to sustain healthy hair production. Nutrient deprivation interferes with their intricate processes, putting hair at risk. Deficiencies can trigger excessive shedding, slow growth, thinning, dull and dry strands, changes in texture, and patchy hair loss.
Taking too much vitamin D leads to calcium buildup (hypercalcemia), causing physical signs like nausea/vomiting, fatigue/weakness, frequent urination & excessive thirst, constipation, and confusion/disorientation, alongside potential bone pain or kidney stones, often from supplements, not sun exposure.
Vitamin B contributes to the production and regulation of sebum levels. A deficiency in this can cause your body to react by producing more oil.
In both reported cases, treatment with 50,000 IU vitamin D3 for 6 weeks and 3 months, respectively, followed by 1,000 IU/daily as a maintenance dose, resulted in noticeable hair regrowth and resolved the deficiency state. In both cases, the patients received no other topical or systemic treatment.
Or you may be undergoing hormonal changes which disrupt the oil production balance in your skin and hair. Your diet, medication and stress levels could also play a part in making your strands greasy, as could the hair products you use and even the air quality around you.
Top 5 Ways to Correct Brassy Hair
Oily hair doesn't necessarily mean your scalp or hair is unhealthy. In fact, natural oil is essential for healthy hair. However, excess oil can lead to issues like a greasy appearance, itching, and buildup.
Seborrheic dermatitis can occur on several body areas. It often forms where the skin is oily or greasy. Common areas include the scalp, eyebrows, eyelids, creases of the nose, lips, behind the ears, in the outer ear, and middle of the chest.
Over-moisturized hair looks limp, mushy, and lacks definition, with curls falling flat and feeling overly soft, stretchy (without bouncing back), and heavy, often appearing stringy or greasy, even feeling cool and damp for a long time after washing due to moisture overload and a lack of protein balance.
If you normally wash your hair every day, start washing and lightly conditioning it every other day. Tie in back or wear a hair wrap on the non-wash days. Your hair may take a few weeks to adjust, but when it does, you'll notice you can go longer in between washes – and your hair will look far less greasy.
Symptoms when vitamin D is low
Fatigue. Not sleeping well. Bone pain or achiness. Depression or feelings of sadness.
Although the list of foods naturally high in vitamin D is a short one, there are foods and beverages – like milk, orange juice, nutritional shakes and breakfast cereals fortified with the nutrient to help make life a little easier!
No natural fruits are high in Vitamin D; it's primarily from sunlight, fatty fish, and fortified foods, but some fruits help absorption (avocado, banana) or are fortified (orange juice), while dried figs and apricots offer some benefits, so focus on fortified juices, plant milks, or supplements for D, alongside fruits that support its function.