In the heat of summer, women are more careful with their skin care. But the scalp, which is hidden underneath the hair, is often easily overlooked. 1, the fierce sun may produce damage to the hair, so the scalp under the hair, will be affected by this? The scalp is a soft tissue that covers outside the skull and is anatomically divided into five layers: the cortex, subcutaneous layer, capillary tendon layer, subtenon layer and periosteum layer. This layer is thicker and denser than other parts of the body, and contains a large number of hair follicles, sebaceous glands, sweat glands and rich blood vessels and lymphatic vessels, which bleed more when traumatized but heal faster. In the fierce sun exposure, the scalp oil secretion, easy to induce seborrheic dermatitis and seborrheic alopecia and many other skin diseases. 2.When the temperature climbs, oil secretion and sweat secretion will be strengthened, if left unattended, will it affect health? What manifestations (or symptoms) represent a problem with the scalp, or even a health problem. If symptoms such as itchy scalp, greasy scalp, increased dandruff, scalp pustules and oily hair loss are present, it means that there may be a problem with scalp health. In general, a healthy scalp ecology is maintained by three major balances: oil, flora, and metabolic balance. In summer, especially when sweating and oil secretion are high, the scalp will become greasy, and at the same time, the scalp flora environment is easily imbalanced, leading to the proliferation of harmful bacteria (such as Malassezia, Staphylococcus epidermidis, etc.), resulting in scalp problems such as oily head, itchy head, dandruff, dry hair and hair loss. 3.How to detect the health condition by scalp condition (self-examination method) Healthy scalp should have the following conditions: (1) no dandruff visible to the naked eye. (2) Relaxed scalp is not tight. (3) No itching. (4) Can maintain a fresh state for a long time. In addition, the performance of the hair can also reflect the health status of the scalp, such as hair roots strong, hair moist and shiny, not greasy. 4.Does the scalp need maintenance in summer? How should I maintain it? (1) Choose a safe and effective shampoo and conditioner. First of all, from the point of view of hair care mechanism, neutral hair and healthy scalp should choose the general shampoo, which is the most basic kind of shampoo. People with oily scalp can choose the one applicable to oiliness, which can effectively inhibit sebum secretion; those with dandruff choose the anti-dandruff type, while making a second choice based on different scalp properties (oily or dry). As for the other effects, with or without, the difference is not much. The selection of conditioner then depends on the hair ends, if there are many split ends, you need to use the nutritionally enhanced type; if it is curly hair, choose the conditioner for damaged hair with electric perm; if it is frizzy and dry hair ends, you can choose the conditioner that can smooth the hair. Generally, when using a conditioner, just start applying it from 2-3 inches above the tips of your hair. Women with naturally curly or dry hair can increase the amount of conditioner. Very fine and soft hair generally scalp are prone to oil, you can use less or no conditioner. (2) Scalp health also needs to be managed, and Chinese medicine has a natural advantage. For scalp problems such as head oil, itchy head and dandruff, our department currently adopts Chinese herbal medicine formula for localized scalp sealing treatment to gently regulate the scalp, which can effectively restore the ecological balance of the scalp and achieve good clinical results. (3) Develop good living and eating habits. To develop good living and eating habits is of great significance to eliminate many scalp problems such as head oil, head itch and dandruff. First of all, you should take more alkaline food, such as milk, vegetables, fruits, seaweed, etc., and avoid eating too much acidic food, fried food and sweet food. Also avoid spicy and irritating foods, such as chili, mustard, raw onion, raw garlic, wine, coffee and sugar. Secondly, you should develop the habit of shampooing your hair frequently. Third, try to avoid hair coloring. This is because hair dyes can damage the hair shaft, cause hair breakage, and also stimulate scalp cells, leading to an increase in scalp problems.