Basic Violet 13

Basic Violet 13 and pregnancy

Caution Advised

• Absorbed into the body

Basic Violet 13 is a synthetic triphenylmethane dye used in hair colorants and some decorative cosmetics. It creates violet and purple tones through chemical binding to hair and skin proteins. No specific reproductive toxicity studies exist for Basic Violet 13 during pregnancy. Triphenylmethane dyes as a class have variable absorption profiles, and cationic dyes may penetrate skin more readily than anionic types. Without adequate safety data and given the potential for systemic absorption, many healthcare providers recommend caution with synthetic colorants during pregnancy, particularly in the first trimester. ACOG's general guidance on hair dyes suggests that most hair coloring procedures are likely safe after the first trimester, though they acknowledge limited research. For a conservative approach during pregnancy, many women opt for highlighting techniques that don't contact the scalp or choose plant-based colorants until after delivery.

Basic Violet 13 and breastfeeding

Safe to Use

Basic Violet 13 is a synthetic colorant used primarily in hair products. When applied topically to intact scalp skin, systemic absorption is expected to be minimal, reducing the likelihood of transfer to breast milk. While specific studies on this dye during breastfeeding are unavailable, the general medical consensus is that hair dyes pose minimal risk to breastfed infants. The molecular size and binding properties of triphenylmethane dyes suggest limited penetration through skin and even less transfer to milk. Most dermatologists and pediatricians consider hair coloring compatible with breastfeeding. Standard precautions include applying the product in a well-ventilated area, wearing gloves, and following manufacturer guidelines for application time. If any scalp irritation or breaks in skin integrity are present, postponing use until healed minimizes any theoretical absorption risk.

Basic Violet 13 and postpartum

Safe to Use

For postpartum women not breastfeeding, Basic Violet 13 carries the same considerations as for the general population. The primary concerns are potential allergic reactions and scalp irritation rather than systemic effects. Postpartum hormonal fluctuations can temporarily increase skin sensitivity. Patch testing before full application is advisable, especially if this is the first time using products containing this colorant. Women experiencing postpartum telogen effluvium (hair shedding) may want to wait until shedding stabilizes before applying chemical colorants.

Basic Violet 13 and trying to conceive

Safe to Use

For women trying to conceive, Basic Violet 13 used in topical hair products presents minimal concern. No evidence links cosmetic hair dye use to reduced fertility or conception difficulties. Systemic absorption from scalp application is negligible. Some women adopt pregnancy precautions before conception, but hair coloring is generally considered compatible with trying to conceive. If pregnancy is achieved, reassessing hair coloring practices for the first trimester may be appropriate based on individual comfort levels and provider recommendations.

Basic Violet 13 and PCOS

Safe to Use

Basic Violet 13 is a synthetic colorant without hormonal activity or known effects on androgen metabolism, insulin sensitivity, or other PCOS-related pathways. Women with PCOS can use this ingredient without concerns specific to their condition. PCOS does not alter the safety profile of topical colorants. Some women with PCOS experience seborrheic dermatitis or scalp sensitivity as comorbid conditions, which may increase the likelihood of irritation from any chemical colorant, but this is unrelated to the hormonal aspects of PCOS. There is no evidence that synthetic hair dyes affect PCOS symptoms, hormone levels, or metabolic markers. Standard cosmetic safety precautions apply regardless of PCOS status.

Basic Violet 13 and general use

Safe to Use

• Common allergen
• Irritant

Basic Violet 13 is a triphenylmethane-based synthetic dye used in hair colorants and some decorative cosmetics. It provides intense violet and purple shades and is valued for its color vibrancy and binding properties. The primary safety considerations are potential allergic contact dermatitis and irritation, particularly for individuals with sensitive skin or previous reactions to hair dyes. Patch testing 48 hours before application is standard practice. As with all colorants, proper application technique (using gloves, avoiding prolonged skin contact, adequate ventilation) minimizes risk. The EU permits Basic Violet 13 in cosmetics with appropriate restrictions based on product type. While comprehensive long-term safety data is limited, synthetic colorants have been used in cosmetics for decades with appropriate safety testing by manufacturers.

Everything else flagged for the same profiles

• Flagged in pregnancy

Related ingredients

Ingredients suggested in place of Basic Violet 13, each one with its own page here.

• Henna

Ingredients that raise the same concerns.

• Parfum/FragranceIrritant, Common allergen, Absorbed into the body
• Lavandula Angustifolia OilIrritant, Common allergen, Absorbed into the body
• Melaleuca Alternifolia Leaf OilIrritant, Common allergen, Absorbed into the body
• EugenolIrritant, Common allergen, Absorbed into the body
• Rosmarinus Officinalis Leaf OilIrritant, Common allergen, Absorbed into the body
• DMDM HydantoinIrritant, Common allergen, Absorbed into the body

Where this came from

Truva summarises published guidance from bodies including ACOG, the FDA, the EU SCCS and the Cosmetic Ingredient Review. It has no access to your medical history and it is not a substitute for your doctor, dermatologist or midwife. These assessments have not been reviewed by a clinician, and nothing here is a diagnosis or a prescription. If you are pregnant, breastfeeding or being treated for PCOS, take the ingredient list to the person looking after you.

Assessment last pulled from the ingredient database on 15 September 2026.