Heat â Marijuana seeds can germinate in many temperature conditions, but grow best between 75 and 80 degrees Fahrenheit (23-26 C). Cooler temperatures slow seed germination and promote fungal growth such as fusarium and pythium which can rot the seed and root. Temperatures above 90 degrees can also inhibit germination.
1 It is best to let your hair dry naturally. 2  Blow-drying dries your scalp and hair and may contribute to dandruff, so do not get your hair dryer out! 3  You can also use olive oil with apple cider vinegar to see better results.Read: Fenugreek Help Cure Dandruff 1  ]. Now that your oil is warm, gently massage it onto your scalp. 2  A great tip is to divide your hair into sections so that to ensure that every part of your scalp is well-oiled. 3  Now that you have covered your scalp with the olive oil, cover your head with a towel or a shower cap.
For example, how often you wash your hair can lead to the condition. Infrequent washing can cause a buildup of oil and skin cells and lead to dandruff flakes. Hair that's washed too often, on the other hand, can also lead to itchy scalp, because the oil that protects the scalp gets stripped away. Cold weather and the dry indoor air can also lead to a dry scalp [source: Mayo Clinic ]. Stress can affect dandruff, too. For instance, it can cause conditions like seborrheic dermatitis, which is characterized by an oily, waxy scalp and white or yellowish-brown flakes, to flare up [source: American Academy of Dermatology ]. One major contributor to itchy scalp is the skin condition called psoriasis.