Experiencing dehydration after a HydraFacial treatment may seem surprising, especially since the procedure is designed to hydrate and nourish the skin. However, in Riyadh, dehydration-related effects after a HydraFacial are not uncommon. Environmental conditions, individual skin types, and post-treatment habits can all influence how the skin responds in the days following the procedure. Understanding why dehydration happens and how it manifests can help manage expectations and protect skin health. A HydraFacial involves deep cleansing, exfoliation, gentle chemical resurfacing, suction-based extraction, and infusion of hydrating serums. While these steps are beneficial, the exfoliation process temporarily removes part of the skin’s protective barrier, known as the stratum corneum. This outer layer helps retain moisture and shield the skin from environmental stress. Once it is disrupted, even briefly, the skin can lose water more rapidly, making dehydration more noticeable. In Riyadh, the climate plays a major role in post-treatment dehydration. The region is characterized by hot temperatures, low humidity, and frequent exposure to air conditioning. Dry desert air accelerates transepidermal water loss, meaning moisture evaporates from the skin more quickly than usual. After a HydraFacial, when the skin barrier is in a recovery phase, this moisture loss can feel intensified, leading to tightness or dryness despite the infusion of hydrating ingredients. Another contributing factor is the use of exfoliating acids during the treatment. Ingredients such as glycolic and salicylic acid help dissolve dead skin cells and clear pores, but they can also temporarily reduce the skin’s natural lipid content. These lipids are essential for locking in hydration. When they are diminished, the skin may feel dry, rough, or tight, particularly in individuals who already have dry or sensitive skin. Some people also mistake dehydration for dryness. Dehydrated skin lacks water, not oil, and can affect all skin types, including oily or acne-prone skin. After a HydraFacial, dehydrated skin may produce more oil as a compensatory response. This can create a confusing combination of oiliness on the surface and tightness underneath. In Riyadh’s climate, this imbalance can become more pronounced due to constant exposure to heat and indoor cooling systems. Post-treatment skincare choices can further influence dehydration levels. Using strong cleansers, alcohol-based toners, or active ingredients like retinoids immediately after a HydraFacial can worsen moisture loss. The skin needs time to rebalance and rebuild its protective barrier. When this recovery process is disrupted, dehydration symptoms such as flaking, redness, or sensitivity may appear. Sun exposure is another important factor. Riyadh has intense sunlight year-round, and even brief exposure without protection can dehydrate freshly treated skin.