What should I do if my hair is oily and falling out?

Written by Liu Gang
Dermatology
Updated on June 27, 2025
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Normally, if the hair is oily and shedding, this is generally classified as seborrheic hair loss, medically known as androgenic alopecia. It is often related to hereditary factors, with a higher incidence in males within the family than in females, mainly due to excessive secretion of androgens.

Once this disease occurs, it needs to be treated with medication, such as oral finasteride, lipid-reducing hair growth tablets, etc. Treatment can improve the condition, but it is impossible to completely stop the trend of hair loss. With aging, hair loss may reoccur or become localized and more severe, even leading to baldness. If the symptoms are severe, hair transplantation is also a treatment option to consider, and the final results of hair transplantation can be satisfactory.

(Use medicine under the guidance of a doctor)

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When does postpartum hair loss start?

Postpartum hair loss generally begins one to three months after childbirth, gradually leading to noticeable hair loss. This is primarily due to hormonal changes in postpartum women, with a decrease in estrogen accelerating the rate of hair loss. Additionally, postpartum women are often physically weaker, with deficiencies in vital energy and blood leading to insufficient nourishment to the scalp, thereby worsening the hair loss. The condition is usually most severe three to four months after childbirth. From six to twelve months postpartum, this phenomenon generally gradually subsides, and if it is not too severe, treatment may not be necessary.

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What are the common causes of hair loss?

The most common cause of hair loss is generally related to genetic factors. For instance, if parents experience hair loss, their children are likely to encounter the same issue. Hair loss can also be associated with hormonal imbalances; an excessive secretion of male hormones can lead to hair loss. It is related to infection factors as well, such as infection with Malassezia bacteria on the scalp, which can cause erythema and papules on the head, and significant hair loss with dandruff. Psychological factors also play a significant role in hair loss. Excessive mental stress, anxiety, and poor sleep can lead to the release of stress-related substances by the body, causing the hair follicle growth cycle to shorten and leading to hair loss. Therefore, it is advisable to visit a dermatology department at a reputable hospital for a timely examination to identify the specific causes and undergo treatment under a doctor's guidance with appropriate medications.

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Dermatology
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Will hair regrow after hair loss from scalp ringworm?

Scalp ringworm causes hair loss, and whether hair will regrow depends on the severity and specific type of scalp ringworm. There are generally four types of scalp ringworm: yellow ringworm, white ringworm, black dot ringworm, and kerion. White ringworm is primarily caused by infection from Microsporum canis, Microsporum gypsum, or Trichophyton violaceum. It is common in school-aged children, starting with small clustered papules that quickly expand outward into round or oval shapes covered with gray-white scale. Hair affected by white ringworm protrudes 2-4 millimeters above the scalp before breaking off. This type of ringworm does not destroy the hair follicles, so it does not cause permanent hair loss. After treatment, no scars are left, and hair can regrow in the affected area. Yellow ringworm, commonly known as bald ringworm, affects hair follicles and destroys them, leading to significant permanent hair loss and leaving behind atrophic scars. Hair will not regrow after healing from this type of ringworm. Black dot ringworm is now less common. It directly affects the hair follicles, characterized by hair breaking off shortly after emerging, leaving black dot-like stumps at the follicle openings. As this is a type of fungal infection, the prognosis includes localized hair loss and spot-like atrophic scars; hence, hair will not regrow in these areas. Kerion is a more severe outbreak where honeycomb-like pus pockets are formed at the follicle openings, allowing pus to be expressed. Triggering bacterial infections can also lead to abscesses. This type also destroys hair follicles, resulting in permanent hair loss and scarring, without regrowth of hair.

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Can hair loss after childbirth grow back?

Many women experience hair loss after giving birth. There are several causes of postpartum hair loss, including hormonal changes in the body postpartum, psychological factors, malnutrition, certain medications, infections, and other diseases. Hair lost after childbirth can regrow. It is important to enhance nutrition by eating more protein-rich and vitamin-rich foods, including fresh vegetables and fruits. Additionally, maintaining an optimistic mood, ensuring emotional well-being, and developing good sleep habits are crucial. It’s also important to balance work and rest to avoid excessive fatigue and to avoid staying up late. Regularly washing the hair and choosing suitable hair care products are also recommended.

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Can hair loss due to kidney deficiency grow back in six months?

Hair loss due to kidney deficiency, which has been occurring for half a year, generally only requires timely improvement of kidney deficiency. Additionally, in daily diet, consuming more walnuts, black sesame seeds, and black soybeans can effectively help alleviate the condition, and some patients may experience hair regrowth. Moreover, it is important to avoid consuming overly spicy and stimulating foods, as excessive intake can increase the burden on the stomach and intestines, leading to functional disorders in the body, which can exacerbate the condition. It is recommended to pay more attention to rest and avoid frequently staying up late.