Keloids are abnormal scar tissue growths formed due to imbalanced synthesis and degradation of collagen. Causes of keloids include untreated wound infections, tight suturing of surgical wounds, and inappropriate types of sutures. Keloids are not dangerous but they may cause feelings of embarrassment and lack of confidence.
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https://unair.ac.id/pahami-penyebab-dan-cara-menghilangkan-keloid/
