Can you recover from kidney yang deficiency with a darkened face?

Some people with Kidney-Yang deficiency can get better or recover after timely treatment, and can take medicines such as Right Angelica Pill and Gui Shi Di Huang Pill to treat the condition.
According to Chinese medicine, the main color of kidney is black, and after kidney deficiency, the main color may show black, especially after kidney yang deficiency, the face color is dark and dull, and need to warm kidney yang.
Right Angelica Pill is mainly composed of Radix Rehmanniae Praeparata, Radix Rehmanniae Praeparata, Rhizoma Dulcis, Rhizoma Eucommiae, Fructus Lycii, Radix Angelicae Cornu Cervi Pantotrichum, Cornu Cervi Pantotrichum, Cinnamomum Cassiae, Cuscuta Chinensis, and Rhizoma Coptidis, and it may be used to warm Kidney Yang (warm and replenish the kidney yang) and to treat the cold pain in the lower limbs, poor mental health, fear of chills, spermatorrhea, impotence, loose stools, and darkened color of the face caused by the Kidney-Yang deficiency. Adverse reactions and contraindications are imprecise.
Gui Fu Di Huang Wan (桂附地黄丸) is composed of cinnamon, epimedium, radix Rehmanniae Praeparata (熟地), cornelian cherry (酒萸肉), Chinese yam (山药) and poria (茯苓). It is also useful for warming Kidney-Yang and treating cold pain in the lumbar and knee due to Kidney-Yang deficiency, coughing and water retention, dysuria (unsmooth urine), and darkening of face. Adverse reactions and contraindications are not exact, and it is not suitable for people with Yin deficiency and internal heat.
The above medications need to be taken under the direction of a doctor. In addition to medications, you need to abstain from sexual intercourse and pay attention to keeping warm.